38856545

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1$

素因数の和:174

約数の個数: 64

約数和(自身を含む): 61931520

約数和(自身を除く): 23074975

約数列:

[1, 5, 7, 13, 23, 35, 47, 65, 79, 91, 115, 161, 235, 299, 329, 395, 455, 553, 611, 805, 1027, 1081, 1495, 1645, 1817, 2093, 2765, 3055, 3713, 4277, 5135, 5405, 7189, 7567, 9085, 10465, 12719, 14053, 18565, 21385, 23621, 25991, 35945, 37835, 48269, 63595, 70265, 85399, 98371, 118105, 129955, 165347, 241345, 337883, 426995, 491855, 597793, 826735, 1110187, 1689415, 2988965, 5550935, 7771309, 38856545]

約数ペア:

[(1, 38856545), (5, 7771309), (7, 5550935), (13, 2988965), (23, 1689415), (35, 1110187), (47, 826735), (65, 597793), (79, 491855), (91, 426995), (115, 337883), (161, 241345), (235, 165347), (299, 129955), (329, 118105), (395, 98371), (455, 85399), (553, 70265), (611, 63595), (805, 48269), (1027, 37835), (1081, 35945), (1495, 25991), (1645, 23621), (1817, 21385), (2093, 18565), (2765, 14053), (3055, 12719), (3713, 10465), (4277, 9085), (5135, 7567), (5405, 7189)]