290450966

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{4049}}^1$

素因数の和:4184

約数の個数: 32

約数和(自身を含む): 489888000

約数和(自身を除く): 199437034

約数列:

[1, 2, 13, 26, 31, 62, 89, 178, 403, 806, 1157, 2314, 2759, 4049, 5518, 8098, 35867, 52637, 71734, 105274, 125519, 251038, 360361, 720722, 1631747, 3263494, 4684693, 9369386, 11171191, 22342382, 145225483, 290450966]

約数ペア:

[(1, 290450966), (2, 145225483), (13, 22342382), (26, 11171191), (31, 9369386), (62, 4684693), (89, 3263494), (178, 1631747), (403, 720722), (806, 360361), (1157, 251038), (2314, 125519), (2759, 105274), (4049, 71734), (5518, 52637), (8098, 35867)]