31121892

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{353}}^1$

素因数の和:473

約数の個数: 72

約数和(自身を含む): 82467840

約数和(自身を除く): 51345948

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 79, 93, 124, 158, 186, 237, 279, 316, 353, 372, 474, 558, 706, 711, 948, 1059, 1116, 1412, 1422, 2118, 2449, 2844, 3177, 4236, 4898, 6354, 7347, 9796, 10943, 12708, 14694, 21886, 22041, 27887, 29388, 32829, 43772, 44082, 55774, 65658, 83661, 88164, 98487, 111548, 131316, 167322, 196974, 250983, 334644, 393948, 501966, 864497, 1003932, 1728994, 2593491, 3457988, 5186982, 7780473, 10373964, 15560946, 31121892]

約数ペア:

[(1, 31121892), (2, 15560946), (3, 10373964), (4, 7780473), (6, 5186982), (9, 3457988), (12, 2593491), (18, 1728994), (31, 1003932), (36, 864497), (62, 501966), (79, 393948), (93, 334644), (124, 250983), (158, 196974), (186, 167322), (237, 131316), (279, 111548), (316, 98487), (353, 88164), (372, 83661), (474, 65658), (558, 55774), (706, 44082), (711, 43772), (948, 32829), (1059, 29388), (1116, 27887), (1412, 22041), (1422, 21886), (2118, 14694), (2449, 12708), (2844, 10943), (3177, 9796), (4236, 7347), (4898, 6354)]