287487928

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{821}}^1$

素因数の和:897

約数の個数: 96

約数和(自身を含む): 685942560

約数和(自身を除く): 398454632

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 37, 52, 56, 74, 91, 104, 148, 169, 182, 259, 296, 338, 364, 481, 518, 676, 728, 821, 962, 1036, 1183, 1352, 1642, 1924, 2072, 2366, 3284, 3367, 3848, 4732, 5747, 6253, 6568, 6734, 9464, 10673, 11494, 12506, 13468, 21346, 22988, 25012, 26936, 30377, 42692, 43771, 45976, 50024, 60754, 74711, 85384, 87542, 121508, 138749, 149422, 175084, 212639, 243016, 277498, 298844, 350168, 394901, 425278, 554996, 597688, 789802, 850556, 971243, 1109992, 1579604, 1701112, 1942486, 2764307, 3159208, 3884972, 5133713, 5528614, 7769944, 10267426, 11057228, 20534852, 22114456, 35935991, 41069704, 71871982, 143743964, 287487928]

約数ペア:

[(1, 287487928), (2, 143743964), (4, 71871982), (7, 41069704), (8, 35935991), (13, 22114456), (14, 20534852), (26, 11057228), (28, 10267426), (37, 7769944), (52, 5528614), (56, 5133713), (74, 3884972), (91, 3159208), (104, 2764307), (148, 1942486), (169, 1701112), (182, 1579604), (259, 1109992), (296, 971243), (338, 850556), (364, 789802), (481, 597688), (518, 554996), (676, 425278), (728, 394901), (821, 350168), (962, 298844), (1036, 277498), (1183, 243016), (1352, 212639), (1642, 175084), (1924, 149422), (2072, 138749), (2366, 121508), (3284, 87542), (3367, 85384), (3848, 74711), (4732, 60754), (5747, 50024), (6253, 45976), (6568, 43771), (6734, 42692), (9464, 30377), (10673, 26936), (11494, 25012), (12506, 22988), (13468, 21346)]