1649273860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{26321}}^1$

素因数の和:26584

約数の個数: 48

約数和(自身を含む): 3745515312

約数和(自身を除く): 2096241452

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 241, 260, 482, 964, 1205, 2410, 3133, 4820, 6266, 12532, 15665, 26321, 31330, 52642, 62660, 105284, 131605, 263210, 342173, 526420, 684346, 1368692, 1710865, 3421730, 6343361, 6843460, 12686722, 25373444, 31716805, 63433610, 82463693, 126867220, 164927386, 329854772, 412318465, 824636930, 1649273860]

約数ペア:

[(1, 1649273860), (2, 824636930), (4, 412318465), (5, 329854772), (10, 164927386), (13, 126867220), (20, 82463693), (26, 63433610), (52, 31716805), (65, 25373444), (130, 12686722), (241, 6843460), (260, 6343361), (482, 3421730), (964, 1710865), (1205, 1368692), (2410, 684346), (3133, 526420), (4820, 342173), (6266, 263210), (12532, 131605), (15665, 105284), (26321, 62660), (31330, 52642)]