251471536

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{283}}^1$

素因数の和:426

約数の個数: 80

約数和(自身を含む): 535283200

約数和(自身を除く): 283811664

約数列:

[1, 2, 4, 8, 16, 19, 37, 38, 74, 76, 79, 148, 152, 158, 283, 296, 304, 316, 566, 592, 632, 703, 1132, 1264, 1406, 1501, 2264, 2812, 2923, 3002, 4528, 5377, 5624, 5846, 6004, 10471, 10754, 11248, 11692, 12008, 20942, 21508, 22357, 23384, 24016, 41884, 43016, 44714, 46768, 55537, 83768, 86032, 89428, 111074, 167536, 178856, 198949, 222148, 357712, 397898, 424783, 444296, 795796, 827209, 849566, 888592, 1591592, 1654418, 1699132, 3183184, 3308836, 3398264, 6617672, 6796528, 13235344, 15716971, 31433942, 62867884, 125735768, 251471536]

約数ペア:

[(1, 251471536), (2, 125735768), (4, 62867884), (8, 31433942), (16, 15716971), (19, 13235344), (37, 6796528), (38, 6617672), (74, 3398264), (76, 3308836), (79, 3183184), (148, 1699132), (152, 1654418), (158, 1591592), (283, 888592), (296, 849566), (304, 827209), (316, 795796), (566, 444296), (592, 424783), (632, 397898), (703, 357712), (1132, 222148), (1264, 198949), (1406, 178856), (1501, 167536), (2264, 111074), (2812, 89428), (2923, 86032), (3002, 83768), (4528, 55537), (5377, 46768), (5624, 44714), (5846, 43016), (6004, 41884), (10471, 24016), (10754, 23384), (11248, 22357), (11692, 21508), (12008, 20942)]