641703412

素因数分解:

$2^2\times 7^2\times {\mathrm{79}}^1\times {\mathrm{41443}}^1$

素因数の和:41540

約数の個数: 36

約数和(自身を含む): 1322892480

約数和(自身を除く): 681189068

約数列:

[1, 2, 4, 7, 14, 28, 49, 79, 98, 158, 196, 316, 553, 1106, 2212, 3871, 7742, 15484, 41443, 82886, 165772, 290101, 580202, 1160404, 2030707, 3273997, 4061414, 6547994, 8122828, 13095988, 22917979, 45835958, 91671916, 160425853, 320851706, 641703412]

約数ペア:

[(1, 641703412), (2, 320851706), (4, 160425853), (7, 91671916), (14, 45835958), (28, 22917979), (49, 13095988), (79, 8122828), (98, 6547994), (158, 4061414), (196, 3273997), (316, 2030707), (553, 1160404), (1106, 580202), (2212, 290101), (3871, 165772), (7742, 82886), (15484, 41443)]