281553384

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1\times {\mathrm{307}}^1$

素因数の和:479

約数の個数: 128

約数和(自身を含む): 830269440

約数和(自身を除く): 548716056

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 53, 56, 84, 103, 106, 159, 168, 206, 212, 307, 309, 318, 371, 412, 424, 614, 618, 636, 721, 742, 824, 921, 1113, 1228, 1236, 1272, 1442, 1484, 1842, 2149, 2163, 2226, 2456, 2472, 2884, 2968, 3684, 4298, 4326, 4452, 5459, 5768, 6447, 7368, 8596, 8652, 8904, 10918, 12894, 16271, 16377, 17192, 17304, 21836, 25788, 31621, 32542, 32754, 38213, 43672, 48813, 51576, 63242, 65084, 65508, 76426, 94863, 97626, 113897, 114639, 126484, 130168, 131016, 152852, 189726, 195252, 221347, 227794, 229278, 252968, 305704, 341691, 379452, 390504, 442694, 455588, 458556, 664041, 683382, 758904, 885388, 911176, 917112, 1328082, 1366764, 1675913, 1770776, 2656164, 2733528, 3351826, 5027739, 5312328, 6703652, 10055478, 11731391, 13407304, 20110956, 23462782, 35194173, 40221912, 46925564, 70388346, 93851128, 140776692, 281553384]

約数ペア:

[(1, 281553384), (2, 140776692), (3, 93851128), (4, 70388346), (6, 46925564), (7, 40221912), (8, 35194173), (12, 23462782), (14, 20110956), (21, 13407304), (24, 11731391), (28, 10055478), (42, 6703652), (53, 5312328), (56, 5027739), (84, 3351826), (103, 2733528), (106, 2656164), (159, 1770776), (168, 1675913), (206, 1366764), (212, 1328082), (307, 917112), (309, 911176), (318, 885388), (371, 758904), (412, 683382), (424, 664041), (614, 458556), (618, 455588), (636, 442694), (721, 390504), (742, 379452), (824, 341691), (921, 305704), (1113, 252968), (1228, 229278), (1236, 227794), (1272, 221347), (1442, 195252), (1484, 189726), (1842, 152852), (2149, 131016), (2163, 130168), (2226, 126484), (2456, 114639), (2472, 113897), (2884, 97626), (2968, 94863), (3684, 76426), (4298, 65508), (4326, 65084), (4452, 63242), (5459, 51576), (5768, 48813), (6447, 43672), (7368, 38213), (8596, 32754), (8652, 32542), (8904, 31621), (10918, 25788), (12894, 21836), (16271, 17304), (16377, 17192)]