389733136

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{569}}^1$

素因数の和:716

約数の個数: 80

約数和(自身を含む): 846039600

約数和(自身を除く): 456306464

約数列:

[1, 2, 4, 8, 13, 16, 26, 37, 52, 74, 89, 104, 148, 178, 208, 296, 356, 481, 569, 592, 712, 962, 1138, 1157, 1424, 1924, 2276, 2314, 3293, 3848, 4552, 4628, 6586, 7397, 7696, 9104, 9256, 13172, 14794, 18512, 21053, 26344, 29588, 42106, 42809, 50641, 52688, 59176, 84212, 85618, 101282, 118352, 168424, 171236, 202564, 273689, 336848, 342472, 405128, 547378, 658333, 684944, 810256, 1094756, 1316666, 1873717, 2189512, 2633332, 3747434, 4379024, 5266664, 7494868, 10533328, 14989736, 24358321, 29979472, 48716642, 97433284, 194866568, 389733136]

約数ペア:

[(1, 389733136), (2, 194866568), (4, 97433284), (8, 48716642), (13, 29979472), (16, 24358321), (26, 14989736), (37, 10533328), (52, 7494868), (74, 5266664), (89, 4379024), (104, 3747434), (148, 2633332), (178, 2189512), (208, 1873717), (296, 1316666), (356, 1094756), (481, 810256), (569, 684944), (592, 658333), (712, 547378), (962, 405128), (1138, 342472), (1157, 336848), (1424, 273689), (1924, 202564), (2276, 171236), (2314, 168424), (3293, 118352), (3848, 101282), (4552, 85618), (4628, 84212), (6586, 59176), (7397, 52688), (7696, 50641), (9104, 42809), (9256, 42106), (13172, 29588), (14794, 26344), (18512, 21053)]