73478128

素因数分解:

$2^4\times {\mathrm{59}}^1\times {\mathrm{277}}^1\times {\mathrm{281}}^1$

素因数の和:625

約数の個数: 40

約数和(自身を含む): 145816560

約数和(自身を除く): 72338432

約数列:

[1, 2, 4, 8, 16, 59, 118, 236, 277, 281, 472, 554, 562, 944, 1108, 1124, 2216, 2248, 4432, 4496, 16343, 16579, 32686, 33158, 65372, 66316, 77837, 130744, 132632, 155674, 261488, 265264, 311348, 622696, 1245392, 4592383, 9184766, 18369532, 36739064, 73478128]

約数ペア:

[(1, 73478128), (2, 36739064), (4, 18369532), (8, 9184766), (16, 4592383), (59, 1245392), (118, 622696), (236, 311348), (277, 265264), (281, 261488), (472, 155674), (554, 132632), (562, 130744), (944, 77837), (1108, 66316), (1124, 65372), (2216, 33158), (2248, 32686), (4432, 16579), (4496, 16343)]