128324728

素因数分解:

$2^3\times 7^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{331}}^1$

素因数の和:417

約数の個数: 96

約数和(自身を含む): 299756160

約数和(自身を除く): 171431432

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 43, 46, 49, 56, 86, 92, 98, 161, 172, 184, 196, 301, 322, 331, 344, 392, 602, 644, 662, 989, 1127, 1204, 1288, 1324, 1978, 2107, 2254, 2317, 2408, 2648, 3956, 4214, 4508, 4634, 6923, 7613, 7912, 8428, 9016, 9268, 13846, 14233, 15226, 16219, 16856, 18536, 27692, 28466, 30452, 32438, 48461, 53291, 55384, 56932, 60904, 64876, 96922, 99631, 106582, 113864, 129752, 193844, 199262, 213164, 327359, 373037, 387688, 398524, 426328, 654718, 697417, 746074, 797048, 1309436, 1394834, 1492148, 2291513, 2618872, 2789668, 2984296, 4583026, 5579336, 9166052, 16040591, 18332104, 32081182, 64162364, 128324728]

約数ペア:

[(1, 128324728), (2, 64162364), (4, 32081182), (7, 18332104), (8, 16040591), (14, 9166052), (23, 5579336), (28, 4583026), (43, 2984296), (46, 2789668), (49, 2618872), (56, 2291513), (86, 1492148), (92, 1394834), (98, 1309436), (161, 797048), (172, 746074), (184, 697417), (196, 654718), (301, 426328), (322, 398524), (331, 387688), (344, 373037), (392, 327359), (602, 213164), (644, 199262), (662, 193844), (989, 129752), (1127, 113864), (1204, 106582), (1288, 99631), (1324, 96922), (1978, 64876), (2107, 60904), (2254, 56932), (2317, 55384), (2408, 53291), (2648, 48461), (3956, 32438), (4214, 30452), (4508, 28466), (4634, 27692), (6923, 18536), (7613, 16856), (7912, 16219), (8428, 15226), (9016, 14233), (9268, 13846)]