257371123065

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{1390331}}^1$

素因数の和:1390430

約数の個数: 64

約数和(自身を含む): 493312038912

約数和(自身を除く): 235940915847

約数列:

[1, 3, 5, 7, 15, 21, 35, 41, 43, 105, 123, 129, 205, 215, 287, 301, 615, 645, 861, 903, 1435, 1505, 1763, 4305, 4515, 5289, 8815, 12341, 26445, 37023, 61705, 185115, 1390331, 4170993, 6951655, 9732317, 20854965, 29196951, 48661585, 57003571, 59784233, 145984755, 171010713, 179352699, 285017855, 298921165, 399024997, 418489631, 855053565, 896763495, 1197074991, 1255468893, 1995124985, 2092448155, 2451153553, 5985374955, 6277344465, 7353460659, 12255767765, 17158074871, 36767303295, 51474224613, 85790374355, 257371123065]

約数ペア:

[(1, 257371123065), (3, 85790374355), (5, 51474224613), (7, 36767303295), (15, 17158074871), (21, 12255767765), (35, 7353460659), (41, 6277344465), (43, 5985374955), (105, 2451153553), (123, 2092448155), (129, 1995124985), (205, 1255468893), (215, 1197074991), (287, 896763495), (301, 855053565), (615, 418489631), (645, 399024997), (861, 298921165), (903, 285017855), (1435, 179352699), (1505, 171010713), (1763, 145984755), (4305, 59784233), (4515, 57003571), (5289, 48661585), (8815, 29196951), (12341, 20854965), (26445, 9732317), (37023, 6951655), (61705, 4170993), (185115, 1390331)]