278840394812

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1627}}^1\times {\mathrm{211063}}^1$

素因数の和:212730

約数の個数: 48

約数和(自身を含む): 577268482560

約数和(自身を除く): 298428087748

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 116, 203, 406, 812, 1627, 3254, 6508, 11389, 22778, 45556, 47183, 94366, 188732, 211063, 330281, 422126, 660562, 844252, 1321124, 1477441, 2954882, 5909764, 6120827, 12241654, 24483308, 42845789, 85691578, 171383156, 343399501, 686799002, 1373598004, 2403796507, 4807593014, 9615186028, 9958585529, 19917171058, 39834342116, 69710098703, 139420197406, 278840394812]

約数ペア:

[(1, 278840394812), (2, 139420197406), (4, 69710098703), (7, 39834342116), (14, 19917171058), (28, 9958585529), (29, 9615186028), (58, 4807593014), (116, 2403796507), (203, 1373598004), (406, 686799002), (812, 343399501), (1627, 171383156), (3254, 85691578), (6508, 42845789), (11389, 24483308), (22778, 12241654), (45556, 6120827), (47183, 5909764), (94366, 2954882), (188732, 1477441), (211063, 1321124), (330281, 844252), (422126, 660562)]