31993884

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{499}}^1$

素因数の和:659

約数の個数: 72

約数和(自身を含む): 87906000

約数和(自身を除く): 55912116

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 137, 156, 234, 274, 411, 468, 499, 548, 822, 998, 1233, 1497, 1644, 1781, 1996, 2466, 2994, 3562, 4491, 4932, 5343, 5988, 6487, 7124, 8982, 10686, 12974, 16029, 17964, 19461, 21372, 25948, 32058, 38922, 58383, 64116, 68363, 77844, 116766, 136726, 205089, 233532, 273452, 410178, 615267, 820356, 888719, 1230534, 1777438, 2461068, 2666157, 3554876, 5332314, 7998471, 10664628, 15996942, 31993884]

約数ペア:

[(1, 31993884), (2, 15996942), (3, 10664628), (4, 7998471), (6, 5332314), (9, 3554876), (12, 2666157), (13, 2461068), (18, 1777438), (26, 1230534), (36, 888719), (39, 820356), (52, 615267), (78, 410178), (117, 273452), (137, 233532), (156, 205089), (234, 136726), (274, 116766), (411, 77844), (468, 68363), (499, 64116), (548, 58383), (822, 38922), (998, 32058), (1233, 25948), (1497, 21372), (1644, 19461), (1781, 17964), (1996, 16029), (2466, 12974), (2994, 10686), (3562, 8982), (4491, 7124), (4932, 6487), (5343, 5988)]