31721232

素因数分解:

$2^4\times 3^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{487}}^1$

素因数の和:580

約数の個数: 80

約数和(自身を含む): 87137280

約数和(自身を除く): 55416048

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 46, 48, 59, 69, 92, 118, 138, 177, 184, 236, 276, 354, 368, 472, 487, 552, 708, 944, 974, 1104, 1357, 1416, 1461, 1948, 2714, 2832, 2922, 3896, 4071, 5428, 5844, 7792, 8142, 10856, 11201, 11688, 16284, 21712, 22402, 23376, 28733, 32568, 33603, 44804, 57466, 65136, 67206, 86199, 89608, 114932, 134412, 172398, 179216, 229864, 268824, 344796, 459728, 537648, 660859, 689592, 1321718, 1379184, 1982577, 2643436, 3965154, 5286872, 7930308, 10573744, 15860616, 31721232]

約数ペア:

[(1, 31721232), (2, 15860616), (3, 10573744), (4, 7930308), (6, 5286872), (8, 3965154), (12, 2643436), (16, 1982577), (23, 1379184), (24, 1321718), (46, 689592), (48, 660859), (59, 537648), (69, 459728), (92, 344796), (118, 268824), (138, 229864), (177, 179216), (184, 172398), (236, 134412), (276, 114932), (354, 89608), (368, 86199), (472, 67206), (487, 65136), (552, 57466), (708, 44804), (944, 33603), (974, 32568), (1104, 28733), (1357, 23376), (1416, 22402), (1461, 21712), (1948, 16284), (2714, 11688), (2832, 11201), (2922, 10856), (3896, 8142), (4071, 7792), (5428, 5844)]