31897712

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1523}}^1$

素因数の和:1566

約数の個数: 80

約数和(自身を含む): 81637632

約数和(自身を除く): 49739920

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 17, 22, 28, 34, 44, 56, 68, 77, 88, 112, 119, 136, 154, 176, 187, 238, 272, 308, 374, 476, 616, 748, 952, 1232, 1309, 1496, 1523, 1904, 2618, 2992, 3046, 5236, 6092, 10472, 10661, 12184, 16753, 20944, 21322, 24368, 25891, 33506, 42644, 51782, 67012, 85288, 103564, 117271, 134024, 170576, 181237, 207128, 234542, 268048, 284801, 362474, 414256, 469084, 569602, 724948, 938168, 1139204, 1449896, 1876336, 1993607, 2278408, 2899792, 3987214, 4556816, 7974428, 15948856, 31897712]

約数ペア:

[(1, 31897712), (2, 15948856), (4, 7974428), (7, 4556816), (8, 3987214), (11, 2899792), (14, 2278408), (16, 1993607), (17, 1876336), (22, 1449896), (28, 1139204), (34, 938168), (44, 724948), (56, 569602), (68, 469084), (77, 414256), (88, 362474), (112, 284801), (119, 268048), (136, 234542), (154, 207128), (176, 181237), (187, 170576), (238, 134024), (272, 117271), (308, 103564), (374, 85288), (476, 67012), (616, 51782), (748, 42644), (952, 33506), (1232, 25891), (1309, 24368), (1496, 21322), (1523, 20944), (1904, 16753), (2618, 12184), (2992, 10661), (3046, 10472), (5236, 6092)]