13281304

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1$

素因数の和:208

約数の個数: 64

約数和(自身を含む): 28512000

約数和(自身を除く): 15230696

約数列:

[1, 2, 4, 8, 19, 23, 29, 38, 46, 58, 76, 92, 116, 131, 152, 184, 232, 262, 437, 524, 551, 667, 874, 1048, 1102, 1334, 1748, 2204, 2489, 2668, 3013, 3496, 3799, 4408, 4978, 5336, 6026, 7598, 9956, 12052, 12673, 15196, 19912, 24104, 25346, 30392, 50692, 57247, 72181, 87377, 101384, 114494, 144362, 174754, 228988, 288724, 349508, 457976, 577448, 699016, 1660163, 3320326, 6640652, 13281304]

約数ペア:

[(1, 13281304), (2, 6640652), (4, 3320326), (8, 1660163), (19, 699016), (23, 577448), (29, 457976), (38, 349508), (46, 288724), (58, 228988), (76, 174754), (92, 144362), (116, 114494), (131, 101384), (152, 87377), (184, 72181), (232, 57247), (262, 50692), (437, 30392), (524, 25346), (551, 24104), (667, 19912), (874, 15196), (1048, 12673), (1102, 12052), (1334, 9956), (1748, 7598), (2204, 6026), (2489, 5336), (2668, 4978), (3013, 4408), (3496, 3799)]