31356684

素因数分解:

$2^2\times 3^2\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{131}}^1$

素因数の和:311

約数の個数: 72

約数和(自身を含む): 81921840

約数和(自身を除く): 50565156

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 61, 109, 122, 131, 183, 218, 244, 262, 327, 366, 393, 436, 524, 549, 654, 732, 786, 981, 1098, 1179, 1308, 1572, 1962, 2196, 2358, 3924, 4716, 6649, 7991, 13298, 14279, 15982, 19947, 23973, 26596, 28558, 31964, 39894, 42837, 47946, 57116, 59841, 71919, 79788, 85674, 95892, 119682, 128511, 143838, 171348, 239364, 257022, 287676, 514044, 871019, 1742038, 2613057, 3484076, 5226114, 7839171, 10452228, 15678342, 31356684]

約数ペア:

[(1, 31356684), (2, 15678342), (3, 10452228), (4, 7839171), (6, 5226114), (9, 3484076), (12, 2613057), (18, 1742038), (36, 871019), (61, 514044), (109, 287676), (122, 257022), (131, 239364), (183, 171348), (218, 143838), (244, 128511), (262, 119682), (327, 95892), (366, 85674), (393, 79788), (436, 71919), (524, 59841), (549, 57116), (654, 47946), (732, 42837), (786, 39894), (981, 31964), (1098, 28558), (1179, 26596), (1308, 23973), (1572, 19947), (1962, 15982), (2196, 14279), (2358, 13298), (3924, 7991), (4716, 6649)]