31291624

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{811}}^1$

素因数の和:890

約数の個数: 64

約数和(自身を含む): 73664640

約数和(自身を除く): 42373016

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 53, 56, 91, 104, 106, 182, 212, 364, 371, 424, 689, 728, 742, 811, 1378, 1484, 1622, 2756, 2968, 3244, 4823, 5512, 5677, 6488, 9646, 10543, 11354, 19292, 21086, 22708, 38584, 42172, 42983, 45416, 73801, 84344, 85966, 147602, 171932, 295204, 300881, 343864, 558779, 590408, 601762, 1117558, 1203524, 2235116, 2407048, 3911453, 4470232, 7822906, 15645812, 31291624]

約数ペア:

[(1, 31291624), (2, 15645812), (4, 7822906), (7, 4470232), (8, 3911453), (13, 2407048), (14, 2235116), (26, 1203524), (28, 1117558), (52, 601762), (53, 590408), (56, 558779), (91, 343864), (104, 300881), (106, 295204), (182, 171932), (212, 147602), (364, 85966), (371, 84344), (424, 73801), (689, 45416), (728, 42983), (742, 42172), (811, 38584), (1378, 22708), (1484, 21086), (1622, 19292), (2756, 11354), (2968, 10543), (3244, 9646), (4823, 6488), (5512, 5677)]