157731968

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{313}}^1$

素因数の和:485

約数の個数: 64

約数和(自身を含む): 327966720

約数和(自身を除く): 170234752

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 127, 128, 248, 254, 313, 496, 508, 626, 992, 1016, 1252, 1984, 2032, 2504, 3937, 3968, 4064, 5008, 7874, 8128, 9703, 10016, 15748, 16256, 19406, 20032, 31496, 38812, 39751, 40064, 62992, 77624, 79502, 125984, 155248, 159004, 251968, 310496, 318008, 503936, 620992, 636016, 1232281, 1241984, 1272032, 2464562, 2544064, 4929124, 5088128, 9858248, 19716496, 39432992, 78865984, 157731968]

約数ペア:

[(1, 157731968), (2, 78865984), (4, 39432992), (8, 19716496), (16, 9858248), (31, 5088128), (32, 4929124), (62, 2544064), (64, 2464562), (124, 1272032), (127, 1241984), (128, 1232281), (248, 636016), (254, 620992), (313, 503936), (496, 318008), (508, 310496), (626, 251968), (992, 159004), (1016, 155248), (1252, 125984), (1984, 79502), (2032, 77624), (2504, 62992), (3937, 40064), (3968, 39751), (4064, 38812), (5008, 31496), (7874, 20032), (8128, 19406), (9703, 16256), (10016, 15748)]