163944430

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{2393}}^1$

素因数の和:2461

約数の個数: 64

約数和(自身を含む): 347493888

約数和(自身を除く): 183549458

約数列:

[1, 2, 5, 10, 13, 17, 26, 31, 34, 62, 65, 85, 130, 155, 170, 221, 310, 403, 442, 527, 806, 1054, 1105, 2015, 2210, 2393, 2635, 4030, 4786, 5270, 6851, 11965, 13702, 23930, 31109, 34255, 40681, 62218, 68510, 74183, 81362, 148366, 155545, 203405, 311090, 370915, 406810, 528853, 741830, 964379, 1057706, 1261111, 1928758, 2522222, 2644265, 4821895, 5288530, 6305555, 9643790, 12611110, 16394443, 32788886, 81972215, 163944430]

約数ペア:

[(1, 163944430), (2, 81972215), (5, 32788886), (10, 16394443), (13, 12611110), (17, 9643790), (26, 6305555), (31, 5288530), (34, 4821895), (62, 2644265), (65, 2522222), (85, 1928758), (130, 1261111), (155, 1057706), (170, 964379), (221, 741830), (310, 528853), (403, 406810), (442, 370915), (527, 311090), (806, 203405), (1054, 155545), (1105, 148366), (2015, 81362), (2210, 74183), (2393, 68510), (2635, 62218), (4030, 40681), (4786, 34255), (5270, 31109), (6851, 23930), (11965, 13702)]