397753808

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{11969}}^1$

素因数の和:12075

約数の個数: 40

約数和(自身を含む): 807448320

約数和(自身を除く): 409694512

約数列:

[1, 2, 4, 8, 16, 31, 62, 67, 124, 134, 248, 268, 496, 536, 1072, 2077, 4154, 8308, 11969, 16616, 23938, 33232, 47876, 95752, 191504, 371039, 742078, 801923, 1484156, 1603846, 2968312, 3207692, 5936624, 6415384, 12830768, 24859613, 49719226, 99438452, 198876904, 397753808]

約数ペア:

[(1, 397753808), (2, 198876904), (4, 99438452), (8, 49719226), (16, 24859613), (31, 12830768), (62, 6415384), (67, 5936624), (124, 3207692), (134, 2968312), (248, 1603846), (268, 1484156), (496, 801923), (536, 742078), (1072, 371039), (2077, 191504), (4154, 95752), (8308, 47876), (11969, 33232), (16616, 23938)]