1821181552

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{26801}}^1$

素因数の和:26977

約数の個数: 40

約数和(自身を含む): 3669086592

約数和(自身を除く): 1847905040

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 137, 248, 274, 496, 548, 1096, 2192, 4247, 8494, 16988, 26801, 33976, 53602, 67952, 107204, 214408, 428816, 830831, 1661662, 3323324, 3671737, 6646648, 7343474, 13293296, 14686948, 29373896, 58747792, 113823847, 227647694, 455295388, 910590776, 1821181552]

約数ペア:

[(1, 1821181552), (2, 910590776), (4, 455295388), (8, 227647694), (16, 113823847), (31, 58747792), (62, 29373896), (124, 14686948), (137, 13293296), (248, 7343474), (274, 6646648), (496, 3671737), (548, 3323324), (1096, 1661662), (2192, 830831), (4247, 428816), (8494, 214408), (16988, 107204), (26801, 67952), (33976, 53602)]