668879822

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{11839}}^1$

素因数の和:11948

約数の個数: 32

約数和(自身を含む): 1127831040

約数和(自身を除く): 458951218

約数列:

[1, 2, 13, 26, 41, 53, 82, 106, 533, 689, 1066, 1378, 2173, 4346, 11839, 23678, 28249, 56498, 153907, 307814, 485399, 627467, 970798, 1254934, 6310187, 8157071, 12620374, 16314142, 25726147, 51452294, 334439911, 668879822]

約数ペア:

[(1, 668879822), (2, 334439911), (13, 51452294), (26, 25726147), (41, 16314142), (53, 12620374), (82, 8157071), (106, 6310187), (533, 1254934), (689, 970798), (1066, 627467), (1378, 485399), (2173, 307814), (4346, 153907), (11839, 56498), (23678, 28249)]