213977624

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{123259}}^1$

素因数の和:123303

約数の個数: 32

約数和(自身を含む): 473318400

約数和(自身を除く): 259340776

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 217, 248, 434, 868, 1736, 123259, 246518, 493036, 862813, 986072, 1725626, 3451252, 3821029, 6902504, 7642058, 15284116, 26747203, 30568232, 53494406, 106988812, 213977624]

約数ペア:

[(1, 213977624), (2, 106988812), (4, 53494406), (7, 30568232), (8, 26747203), (14, 15284116), (28, 7642058), (31, 6902504), (56, 3821029), (62, 3451252), (124, 1725626), (217, 986072), (248, 862813), (434, 493036), (868, 246518), (1736, 123259)]