215520976

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{13759}}^1$

素因数の和:13867

約数の個数: 40

約数和(自身を含む): 460684800

約数和(自身を除く): 245163824

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 89, 176, 178, 356, 712, 979, 1424, 1958, 3916, 7832, 13759, 15664, 27518, 55036, 110072, 151349, 220144, 302698, 605396, 1210792, 1224551, 2421584, 2449102, 4898204, 9796408, 13470061, 19592816, 26940122, 53880244, 107760488, 215520976]

約数ペア:

[(1, 215520976), (2, 107760488), (4, 53880244), (8, 26940122), (11, 19592816), (16, 13470061), (22, 9796408), (44, 4898204), (88, 2449102), (89, 2421584), (176, 1224551), (178, 1210792), (356, 605396), (712, 302698), (979, 220144), (1424, 151349), (1958, 110072), (3916, 55036), (7832, 27518), (13759, 15664)]