123394648

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{7963}}^1$

素因数の和:8131

約数の個数: 32

約数和(自身を含む): 250866000

約数和(自身を除く): 127471352

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 149, 298, 596, 1192, 1937, 3874, 7748, 7963, 15496, 15926, 31852, 63704, 103519, 207038, 414076, 828152, 1186487, 2372974, 4745948, 9491896, 15424331, 30848662, 61697324, 123394648]

約数ペア:

[(1, 123394648), (2, 61697324), (4, 30848662), (8, 15424331), (13, 9491896), (26, 4745948), (52, 2372974), (104, 1186487), (149, 828152), (298, 414076), (596, 207038), (1192, 103519), (1937, 63704), (3874, 31852), (7748, 15926), (7963, 15496)]