31397904

素因数分解:

$2^4\times 3^2\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1$

素因数の和:205

約数の個数: 120

約数和(自身を含む): 92619072

約数和(自身を除く): 61221168

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 37, 48, 71, 72, 74, 83, 111, 142, 144, 148, 166, 213, 222, 249, 284, 296, 332, 333, 426, 444, 498, 568, 592, 639, 664, 666, 747, 852, 888, 996, 1136, 1278, 1328, 1332, 1494, 1704, 1776, 1992, 2556, 2627, 2664, 2988, 3071, 3408, 3984, 5112, 5254, 5328, 5893, 5976, 6142, 7881, 9213, 10224, 10508, 11786, 11952, 12284, 15762, 17679, 18426, 21016, 23572, 23643, 24568, 27639, 31524, 35358, 36852, 42032, 47144, 47286, 49136, 53037, 55278, 63048, 70716, 73704, 94288, 94572, 106074, 110556, 126096, 141432, 147408, 189144, 212148, 218041, 221112, 282864, 378288, 424296, 436082, 442224, 654123, 848592, 872164, 1308246, 1744328, 1962369, 2616492, 3488656, 3924738, 5232984, 7849476, 10465968, 15698952, 31397904]

約数ペア:

[(1, 31397904), (2, 15698952), (3, 10465968), (4, 7849476), (6, 5232984), (8, 3924738), (9, 3488656), (12, 2616492), (16, 1962369), (18, 1744328), (24, 1308246), (36, 872164), (37, 848592), (48, 654123), (71, 442224), (72, 436082), (74, 424296), (83, 378288), (111, 282864), (142, 221112), (144, 218041), (148, 212148), (166, 189144), (213, 147408), (222, 141432), (249, 126096), (284, 110556), (296, 106074), (332, 94572), (333, 94288), (426, 73704), (444, 70716), (498, 63048), (568, 55278), (592, 53037), (639, 49136), (664, 47286), (666, 47144), (747, 42032), (852, 36852), (888, 35358), (996, 31524), (1136, 27639), (1278, 24568), (1328, 23643), (1332, 23572), (1494, 21016), (1704, 18426), (1776, 17679), (1992, 15762), (2556, 12284), (2627, 11952), (2664, 11786), (2988, 10508), (3071, 10224), (3408, 9213), (3984, 7881), (5112, 6142), (5254, 5976), (5328, 5893)]