28677948

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{79}}^1\times {\mathrm{179}}^1$

素因数の和:291

約数の個数: 72

約数和(自身を含む): 73785600

約数和(自身を除く): 45107652

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 79, 156, 158, 169, 179, 237, 316, 338, 358, 474, 507, 537, 676, 716, 948, 1014, 1027, 1074, 2028, 2054, 2148, 2327, 3081, 4108, 4654, 6162, 6981, 9308, 12324, 13351, 13962, 14141, 26702, 27924, 28282, 30251, 40053, 42423, 53404, 56564, 60502, 80106, 84846, 90753, 121004, 160212, 169692, 181506, 183833, 363012, 367666, 551499, 735332, 1102998, 2205996, 2389829, 4779658, 7169487, 9559316, 14338974, 28677948]

約数ペア:

[(1, 28677948), (2, 14338974), (3, 9559316), (4, 7169487), (6, 4779658), (12, 2389829), (13, 2205996), (26, 1102998), (39, 735332), (52, 551499), (78, 367666), (79, 363012), (156, 183833), (158, 181506), (169, 169692), (179, 160212), (237, 121004), (316, 90753), (338, 84846), (358, 80106), (474, 60502), (507, 56564), (537, 53404), (676, 42423), (716, 40053), (948, 30251), (1014, 28282), (1027, 27924), (1074, 26702), (2028, 14141), (2054, 13962), (2148, 13351), (2327, 12324), (3081, 9308), (4108, 6981), (4654, 6162)]