28431468

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{769}}^1$

素因数の和:871

約数の個数: 72

約数和(自身を含む): 78478400

約数和(自身を除く): 50046932

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 79, 117, 156, 158, 234, 237, 316, 468, 474, 711, 769, 948, 1027, 1422, 1538, 2054, 2307, 2844, 3076, 3081, 4108, 4614, 6162, 6921, 9228, 9243, 9997, 12324, 13842, 18486, 19994, 27684, 29991, 36972, 39988, 59982, 60751, 89973, 119964, 121502, 179946, 182253, 243004, 359892, 364506, 546759, 729012, 789763, 1093518, 1579526, 2187036, 2369289, 3159052, 4738578, 7107867, 9477156, 14215734, 28431468]

約数ペア:

[(1, 28431468), (2, 14215734), (3, 9477156), (4, 7107867), (6, 4738578), (9, 3159052), (12, 2369289), (13, 2187036), (18, 1579526), (26, 1093518), (36, 789763), (39, 729012), (52, 546759), (78, 364506), (79, 359892), (117, 243004), (156, 182253), (158, 179946), (234, 121502), (237, 119964), (316, 89973), (468, 60751), (474, 59982), (711, 39988), (769, 36972), (948, 29991), (1027, 27684), (1422, 19994), (1538, 18486), (2054, 13842), (2307, 12324), (2844, 9997), (3076, 9243), (3081, 9228), (4108, 6921), (4614, 6162)]