31582304

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{79}}^1$

素因数の和:164

約数の個数: 72

約数和(自身を含む): 70066080

約数和(自身を除く): 38483776

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 79, 104, 124, 158, 208, 248, 316, 403, 416, 496, 632, 806, 961, 992, 1027, 1264, 1612, 1922, 2054, 2449, 2528, 3224, 3844, 4108, 4898, 6448, 7688, 8216, 9796, 12493, 12896, 15376, 16432, 19592, 24986, 30752, 31837, 32864, 39184, 49972, 63674, 75919, 78368, 99944, 127348, 151838, 199888, 254696, 303676, 399776, 509392, 607352, 986947, 1018784, 1214704, 1973894, 2429408, 3947788, 7895576, 15791152, 31582304]

約数ペア:

[(1, 31582304), (2, 15791152), (4, 7895576), (8, 3947788), (13, 2429408), (16, 1973894), (26, 1214704), (31, 1018784), (32, 986947), (52, 607352), (62, 509392), (79, 399776), (104, 303676), (124, 254696), (158, 199888), (208, 151838), (248, 127348), (316, 99944), (403, 78368), (416, 75919), (496, 63674), (632, 49972), (806, 39184), (961, 32864), (992, 31837), (1027, 30752), (1264, 24986), (1612, 19592), (1922, 16432), (2054, 15376), (2449, 12896), (2528, 12493), (3224, 9796), (3844, 8216), (4108, 7688), (4898, 6448)]