28478868

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{2731}}^1$

素因数の和:2828

約数の個数: 48

約数和(自身を含む): 73436160

約数和(自身を除く): 44957292

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 79, 132, 158, 237, 316, 474, 869, 948, 1738, 2607, 2731, 3476, 5214, 5462, 8193, 10428, 10924, 16386, 30041, 32772, 60082, 90123, 120164, 180246, 215749, 360492, 431498, 647247, 862996, 1294494, 2373239, 2588988, 4746478, 7119717, 9492956, 14239434, 28478868]

約数ペア:

[(1, 28478868), (2, 14239434), (3, 9492956), (4, 7119717), (6, 4746478), (11, 2588988), (12, 2373239), (22, 1294494), (33, 862996), (44, 647247), (66, 431498), (79, 360492), (132, 215749), (158, 180246), (237, 120164), (316, 90123), (474, 60082), (869, 32772), (948, 30041), (1738, 16386), (2607, 10924), (2731, 10428), (3476, 8193), (5214, 5462)]