221691808

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{463}}^1\times {\mathrm{1151}}^1$

素因数の和:1637

約数の個数: 48

約数和(自身を含む): 471453696

約数和(自身を除く): 249761888

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 463, 926, 1151, 1852, 2302, 3704, 4604, 6019, 7408, 9208, 12038, 14816, 14963, 18416, 24076, 29926, 36832, 48152, 59852, 96304, 119704, 192608, 239408, 478816, 532913, 1065826, 2131652, 4263304, 6927869, 8526608, 13855738, 17053216, 27711476, 55422952, 110845904, 221691808]

約数ペア:

[(1, 221691808), (2, 110845904), (4, 55422952), (8, 27711476), (13, 17053216), (16, 13855738), (26, 8526608), (32, 6927869), (52, 4263304), (104, 2131652), (208, 1065826), (416, 532913), (463, 478816), (926, 239408), (1151, 192608), (1852, 119704), (2302, 96304), (3704, 59852), (4604, 48152), (6019, 36832), (7408, 29926), (9208, 24076), (12038, 18416), (14816, 14963)]