491155928

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{571}}^1\times {\mathrm{5659}}^1$

素因数の和:6255

約数の個数: 32

約数和(自身を含む): 971256000

約数和(自身を除く): 480100072

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 571, 1142, 2284, 4568, 5659, 10849, 11318, 21698, 22636, 43396, 45272, 86792, 107521, 215042, 430084, 860168, 3231289, 6462578, 12925156, 25850312, 61394491, 122788982, 245577964, 491155928]

約数ペア:

[(1, 491155928), (2, 245577964), (4, 122788982), (8, 61394491), (19, 25850312), (38, 12925156), (76, 6462578), (152, 3231289), (571, 860168), (1142, 430084), (2284, 215042), (4568, 107521), (5659, 86792), (10849, 45272), (11318, 43396), (21698, 22636)]