161519176

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{421}}^1$

素因数の和:495

約数の個数: 128

約数和(自身を含む): 408360960

約数和(自身を除く): 246841784

約数列:

[1, 2, 4, 7, 8, 13, 14, 17, 26, 28, 31, 34, 52, 56, 62, 68, 91, 104, 119, 124, 136, 182, 217, 221, 238, 248, 364, 403, 421, 434, 442, 476, 527, 728, 806, 842, 868, 884, 952, 1054, 1547, 1612, 1684, 1736, 1768, 2108, 2821, 2947, 3094, 3224, 3368, 3689, 4216, 5473, 5642, 5894, 6188, 6851, 7157, 7378, 10946, 11284, 11788, 12376, 13051, 13702, 14314, 14756, 21892, 22568, 23576, 26102, 27404, 28628, 29512, 38311, 43784, 47957, 50099, 52204, 54808, 57256, 76622, 91357, 93041, 95914, 100198, 104408, 153244, 169663, 182714, 186082, 191828, 200396, 221867, 306488, 339326, 365428, 372164, 383656, 400792, 443734, 651287, 678652, 730856, 744328, 887468, 1187641, 1302574, 1357304, 1553069, 1774936, 2375282, 2605148, 2884271, 3106138, 4750564, 5210296, 5768542, 6212276, 9501128, 11537084, 12424552, 20189897, 23074168, 40379794, 80759588, 161519176]

約数ペア:

[(1, 161519176), (2, 80759588), (4, 40379794), (7, 23074168), (8, 20189897), (13, 12424552), (14, 11537084), (17, 9501128), (26, 6212276), (28, 5768542), (31, 5210296), (34, 4750564), (52, 3106138), (56, 2884271), (62, 2605148), (68, 2375282), (91, 1774936), (104, 1553069), (119, 1357304), (124, 1302574), (136, 1187641), (182, 887468), (217, 744328), (221, 730856), (238, 678652), (248, 651287), (364, 443734), (403, 400792), (421, 383656), (434, 372164), (442, 365428), (476, 339326), (527, 306488), (728, 221867), (806, 200396), (842, 191828), (868, 186082), (884, 182714), (952, 169663), (1054, 153244), (1547, 104408), (1612, 100198), (1684, 95914), (1736, 93041), (1768, 91357), (2108, 76622), (2821, 57256), (2947, 54808), (3094, 52204), (3224, 50099), (3368, 47957), (3689, 43784), (4216, 38311), (5473, 29512), (5642, 28628), (5894, 27404), (6188, 26102), (6851, 23576), (7157, 22568), (7378, 21892), (10946, 14756), (11284, 14314), (11788, 13702), (12376, 13051)]