181983256

素因数分解:

$2^3\times 7^2\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{67}}^1$

素因数の和:154

約数の個数: 144

約数和(自身を含む): 446864040

約数和(自身を除く): 264880784

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 41, 49, 52, 56, 67, 82, 91, 98, 104, 134, 164, 169, 182, 196, 268, 287, 328, 338, 364, 392, 469, 533, 536, 574, 637, 676, 728, 871, 938, 1066, 1148, 1183, 1274, 1352, 1742, 1876, 2009, 2132, 2296, 2366, 2548, 2747, 3283, 3484, 3731, 3752, 4018, 4264, 4732, 5096, 5494, 6097, 6566, 6929, 6968, 7462, 8036, 8281, 9464, 10988, 11323, 12194, 13132, 13858, 14924, 16072, 16562, 19229, 21976, 22646, 24388, 26117, 26264, 27716, 29848, 33124, 35711, 38458, 42679, 45292, 48503, 48776, 52234, 55432, 66248, 71422, 76916, 79261, 85358, 90584, 97006, 104468, 134603, 142844, 153832, 158522, 170716, 194012, 208936, 249977, 269206, 285688, 317044, 339521, 341432, 388024, 464243, 499954, 538412, 554827, 634088, 679042, 928486, 999908, 1076824, 1109654, 1358084, 1749839, 1856972, 1999816, 2219308, 2716168, 3249701, 3499678, 3713944, 4438616, 6499402, 6999356, 12998804, 13998712, 22747907, 25997608, 45495814, 90991628, 181983256]

約数ペア:

[(1, 181983256), (2, 90991628), (4, 45495814), (7, 25997608), (8, 22747907), (13, 13998712), (14, 12998804), (26, 6999356), (28, 6499402), (41, 4438616), (49, 3713944), (52, 3499678), (56, 3249701), (67, 2716168), (82, 2219308), (91, 1999816), (98, 1856972), (104, 1749839), (134, 1358084), (164, 1109654), (169, 1076824), (182, 999908), (196, 928486), (268, 679042), (287, 634088), (328, 554827), (338, 538412), (364, 499954), (392, 464243), (469, 388024), (533, 341432), (536, 339521), (574, 317044), (637, 285688), (676, 269206), (728, 249977), (871, 208936), (938, 194012), (1066, 170716), (1148, 158522), (1183, 153832), (1274, 142844), (1352, 134603), (1742, 104468), (1876, 97006), (2009, 90584), (2132, 85358), (2296, 79261), (2366, 76916), (2548, 71422), (2747, 66248), (3283, 55432), (3484, 52234), (3731, 48776), (3752, 48503), (4018, 45292), (4264, 42679), (4732, 38458), (5096, 35711), (5494, 33124), (6097, 29848), (6566, 27716), (6929, 26264), (6968, 26117), (7462, 24388), (8036, 22646), (8281, 21976), (9464, 19229), (10988, 16562), (11323, 16072), (12194, 14924), (13132, 13858)]