831123748

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1$

素因数の和:222

約数の個数: 144

約数和(自身を含む): 1906619904

約数和(自身を除く): 1075496156

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 37, 47, 52, 74, 91, 94, 101, 148, 169, 182, 188, 202, 259, 329, 338, 364, 404, 481, 518, 611, 658, 676, 707, 962, 1036, 1183, 1222, 1313, 1316, 1414, 1739, 1924, 2366, 2444, 2626, 2828, 3367, 3478, 3737, 4277, 4732, 4747, 5252, 6253, 6734, 6956, 7474, 7943, 8554, 9191, 9494, 12173, 12506, 13468, 14948, 15886, 17069, 17108, 18382, 18988, 22607, 24346, 25012, 26159, 31772, 33229, 34138, 36764, 43771, 45214, 48581, 48692, 52318, 55601, 61711, 66458, 68276, 87542, 90428, 97162, 104636, 111202, 119483, 123422, 132916, 158249, 175084, 175639, 194324, 222404, 238966, 246844, 293891, 316498, 340067, 351278, 431977, 477932, 587782, 631553, 632996, 680134, 702556, 802243, 863954, 1175564, 1229473, 1263106, 1360268, 1604486, 1727908, 2057237, 2283307, 2458946, 2526212, 3208972, 4114474, 4420871, 4566614, 4917892, 5615701, 8228948, 8841742, 9133228, 11231402, 15983149, 17683484, 22462804, 29682991, 31966298, 59365982, 63932596, 118731964, 207780937, 415561874, 831123748]

約数ペア:

[(1, 831123748), (2, 415561874), (4, 207780937), (7, 118731964), (13, 63932596), (14, 59365982), (26, 31966298), (28, 29682991), (37, 22462804), (47, 17683484), (52, 15983149), (74, 11231402), (91, 9133228), (94, 8841742), (101, 8228948), (148, 5615701), (169, 4917892), (182, 4566614), (188, 4420871), (202, 4114474), (259, 3208972), (329, 2526212), (338, 2458946), (364, 2283307), (404, 2057237), (481, 1727908), (518, 1604486), (611, 1360268), (658, 1263106), (676, 1229473), (707, 1175564), (962, 863954), (1036, 802243), (1183, 702556), (1222, 680134), (1313, 632996), (1316, 631553), (1414, 587782), (1739, 477932), (1924, 431977), (2366, 351278), (2444, 340067), (2626, 316498), (2828, 293891), (3367, 246844), (3478, 238966), (3737, 222404), (4277, 194324), (4732, 175639), (4747, 175084), (5252, 158249), (6253, 132916), (6734, 123422), (6956, 119483), (7474, 111202), (7943, 104636), (8554, 97162), (9191, 90428), (9494, 87542), (12173, 68276), (12506, 66458), (13468, 61711), (14948, 55601), (15886, 52318), (17069, 48692), (17108, 48581), (18382, 45214), (18988, 43771), (22607, 36764), (24346, 34138), (25012, 33229), (26159, 31772)]