251317896

素因数分解:

$2^3\times 3^1\times {\mathrm{101}}^1\times {\mathrm{199}}^1\times {\mathrm{521}}^1$

素因数の和:830

約数の個数: 64

約数和(自身を含む): 638928000

約数和(自身を除く): 387610104

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 101, 199, 202, 303, 398, 404, 521, 597, 606, 796, 808, 1042, 1194, 1212, 1563, 1592, 2084, 2388, 2424, 3126, 4168, 4776, 6252, 12504, 20099, 40198, 52621, 60297, 80396, 103679, 105242, 120594, 157863, 160792, 207358, 210484, 241188, 311037, 315726, 414716, 420968, 482376, 622074, 631452, 829432, 1244148, 1262904, 2488296, 10471579, 20943158, 31414737, 41886316, 62829474, 83772632, 125658948, 251317896]

約数ペア:

[(1, 251317896), (2, 125658948), (3, 83772632), (4, 62829474), (6, 41886316), (8, 31414737), (12, 20943158), (24, 10471579), (101, 2488296), (199, 1262904), (202, 1244148), (303, 829432), (398, 631452), (404, 622074), (521, 482376), (597, 420968), (606, 414716), (796, 315726), (808, 311037), (1042, 241188), (1194, 210484), (1212, 207358), (1563, 160792), (1592, 157863), (2084, 120594), (2388, 105242), (2424, 103679), (3126, 80396), (4168, 60297), (4776, 52621), (6252, 40198), (12504, 20099)]