321712164

素因数分解:

$2^2\times 3^2\times {\mathrm{139}}^1\times {\mathrm{239}}^1\times {\mathrm{269}}^1$

素因数の和:657

約数の個数: 72

約数和(自身を含む): 825552000

約数和(自身を除く): 503839836

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 139, 239, 269, 278, 417, 478, 538, 556, 717, 807, 834, 956, 1076, 1251, 1434, 1614, 1668, 2151, 2421, 2502, 2868, 3228, 4302, 4842, 5004, 8604, 9684, 33221, 37391, 64291, 66442, 74782, 99663, 112173, 128582, 132884, 149564, 192873, 199326, 224346, 257164, 298989, 336519, 385746, 398652, 448692, 578619, 597978, 673038, 771492, 1157238, 1195956, 1346076, 2314476, 8936449, 17872898, 26809347, 35745796, 53618694, 80428041, 107237388, 160856082, 321712164]

約数ペア:

[(1, 321712164), (2, 160856082), (3, 107237388), (4, 80428041), (6, 53618694), (9, 35745796), (12, 26809347), (18, 17872898), (36, 8936449), (139, 2314476), (239, 1346076), (269, 1195956), (278, 1157238), (417, 771492), (478, 673038), (538, 597978), (556, 578619), (717, 448692), (807, 398652), (834, 385746), (956, 336519), (1076, 298989), (1251, 257164), (1434, 224346), (1614, 199326), (1668, 192873), (2151, 149564), (2421, 132884), (2502, 128582), (2868, 112173), (3228, 99663), (4302, 74782), (4842, 66442), (5004, 64291), (8604, 37391), (9684, 33221)]