221573704

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{1409}}^1\times {\mathrm{1787}}^1$

素因数の和:3213

約数の個数: 32

約数和(自身を含む): 453794400

約数和(自身を除く): 232220696

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 1409, 1787, 2818, 3574, 5636, 7148, 11272, 14296, 15499, 19657, 30998, 39314, 61996, 78628, 123992, 157256, 2517883, 5035766, 10071532, 20143064, 27696713, 55393426, 110786852, 221573704]

約数ペア:

[(1, 221573704), (2, 110786852), (4, 55393426), (8, 27696713), (11, 20143064), (22, 10071532), (44, 5035766), (88, 2517883), (1409, 157256), (1787, 123992), (2818, 78628), (3574, 61996), (5636, 39314), (7148, 30998), (11272, 19657), (14296, 15499)]