64867216

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1$

素因数の和:216

約数の個数: 80

約数和(自身を含む): 139475200

約数和(自身を除く): 74607984

約数列:

[1, 2, 4, 8, 16, 19, 37, 38, 73, 74, 76, 79, 146, 148, 152, 158, 292, 296, 304, 316, 584, 592, 632, 703, 1168, 1264, 1387, 1406, 1501, 2701, 2774, 2812, 2923, 3002, 5402, 5548, 5624, 5767, 5846, 6004, 10804, 11096, 11248, 11534, 11692, 12008, 21608, 22192, 23068, 23384, 24016, 43216, 46136, 46768, 51319, 55537, 92272, 102638, 109573, 111074, 205276, 213379, 219146, 222148, 410552, 426758, 438292, 444296, 821104, 853516, 876584, 888592, 1707032, 1753168, 3414064, 4054201, 8108402, 16216804, 32433608, 64867216]

約数ペア:

[(1, 64867216), (2, 32433608), (4, 16216804), (8, 8108402), (16, 4054201), (19, 3414064), (37, 1753168), (38, 1707032), (73, 888592), (74, 876584), (76, 853516), (79, 821104), (146, 444296), (148, 438292), (152, 426758), (158, 410552), (292, 222148), (296, 219146), (304, 213379), (316, 205276), (584, 111074), (592, 109573), (632, 102638), (703, 92272), (1168, 55537), (1264, 51319), (1387, 46768), (1406, 46136), (1501, 43216), (2701, 24016), (2774, 23384), (2812, 23068), (2923, 22192), (3002, 21608), (5402, 12008), (5548, 11692), (5624, 11534), (5767, 11248), (5846, 11096), (6004, 10804)]