251969488

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{26737}}^1$

素因数の和:26795

約数の個数: 40

約数和(自身を含む): 530481920

約数和(自身を除く): 278512432

約数列:

[1, 2, 4, 8, 16, 19, 31, 38, 62, 76, 124, 152, 248, 304, 496, 589, 1178, 2356, 4712, 9424, 26737, 53474, 106948, 213896, 427792, 508003, 828847, 1016006, 1657694, 2032012, 3315388, 4064024, 6630776, 8128048, 13261552, 15748093, 31496186, 62992372, 125984744, 251969488]

約数ペア:

[(1, 251969488), (2, 125984744), (4, 62992372), (8, 31496186), (16, 15748093), (19, 13261552), (31, 8128048), (38, 6630776), (62, 4064024), (76, 3315388), (124, 2032012), (152, 1657694), (248, 1016006), (304, 828847), (496, 508003), (589, 427792), (1178, 213896), (2356, 106948), (4712, 53474), (9424, 26737)]