31109472

素因数分解:

$2^5\times 3^2\times {\mathrm{109}}^1\times {\mathrm{991}}^1$

素因数の和:1116

約数の個数: 72

約数和(自身を含む): 89369280

約数和(自身を除く): 58259808

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 109, 144, 218, 288, 327, 436, 654, 872, 981, 991, 1308, 1744, 1962, 1982, 2616, 2973, 3488, 3924, 3964, 5232, 5946, 7848, 7928, 8919, 10464, 11892, 15696, 15856, 17838, 23784, 31392, 31712, 35676, 47568, 71352, 95136, 108019, 142704, 216038, 285408, 324057, 432076, 648114, 864152, 972171, 1296228, 1728304, 1944342, 2592456, 3456608, 3888684, 5184912, 7777368, 10369824, 15554736, 31109472]

約数ペア:

[(1, 31109472), (2, 15554736), (3, 10369824), (4, 7777368), (6, 5184912), (8, 3888684), (9, 3456608), (12, 2592456), (16, 1944342), (18, 1728304), (24, 1296228), (32, 972171), (36, 864152), (48, 648114), (72, 432076), (96, 324057), (109, 285408), (144, 216038), (218, 142704), (288, 108019), (327, 95136), (436, 71352), (654, 47568), (872, 35676), (981, 31712), (991, 31392), (1308, 23784), (1744, 17838), (1962, 15856), (1982, 15696), (2616, 11892), (2973, 10464), (3488, 8919), (3924, 7928), (3964, 7848), (5232, 5946)]