315581488

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{33487}}^1$

素因数の和:33545

約数の個数: 40

約数和(自身を含む): 664401920

約数和(自身を除く): 348820432

約数列:

[1, 2, 4, 8, 16, 19, 31, 38, 62, 76, 124, 152, 248, 304, 496, 589, 1178, 2356, 4712, 9424, 33487, 66974, 133948, 267896, 535792, 636253, 1038097, 1272506, 2076194, 2545012, 4152388, 5090024, 8304776, 10180048, 16609552, 19723843, 39447686, 78895372, 157790744, 315581488]

約数ペア:

[(1, 315581488), (2, 157790744), (4, 78895372), (8, 39447686), (16, 19723843), (19, 16609552), (31, 10180048), (38, 8304776), (62, 5090024), (76, 4152388), (124, 2545012), (152, 2076194), (248, 1272506), (304, 1038097), (496, 636253), (589, 535792), (1178, 267896), (2356, 133948), (4712, 66974), (9424, 33487)]