218216528

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{368609}}^1$

素因数の和:368654

約数の個数: 20

約数和(自身を含む): 434222580

約数和(自身を除く): 216006052

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 296, 592, 368609, 737218, 1474436, 2948872, 5897744, 13638533, 27277066, 54554132, 109108264, 218216528]

約数ペア:

[(1, 218216528), (2, 109108264), (4, 54554132), (8, 27277066), (16, 13638533), (37, 5897744), (74, 2948872), (148, 1474436), (296, 737218), (592, 368609)]