28634868

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{659}}^1$

素因数の和:757

約数の個数: 72

約数和(自身を含む): 77837760

約数和(自身を除く): 49202892

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 71, 102, 142, 153, 204, 213, 284, 306, 426, 612, 639, 659, 852, 1207, 1278, 1318, 1977, 2414, 2556, 2636, 3621, 3954, 4828, 5931, 7242, 7908, 10863, 11203, 11862, 14484, 21726, 22406, 23724, 33609, 43452, 44812, 46789, 67218, 93578, 100827, 134436, 140367, 187156, 201654, 280734, 403308, 421101, 561468, 795413, 842202, 1590826, 1684404, 2386239, 3181652, 4772478, 7158717, 9544956, 14317434, 28634868]

約数ペア:

[(1, 28634868), (2, 14317434), (3, 9544956), (4, 7158717), (6, 4772478), (9, 3181652), (12, 2386239), (17, 1684404), (18, 1590826), (34, 842202), (36, 795413), (51, 561468), (68, 421101), (71, 403308), (102, 280734), (142, 201654), (153, 187156), (204, 140367), (213, 134436), (284, 100827), (306, 93578), (426, 67218), (612, 46789), (639, 44812), (659, 43452), (852, 33609), (1207, 23724), (1278, 22406), (1318, 21726), (1977, 14484), (2414, 11862), (2556, 11203), (2636, 10863), (3621, 7908), (3954, 7242), (4828, 5931)]