211321730

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{40099}}^1$

素因数の和:40154

約数の個数: 32

約数和(自身を含む): 415756800

約数和(自身を除く): 204435070

約数列:

[1, 2, 5, 10, 17, 31, 34, 62, 85, 155, 170, 310, 527, 1054, 2635, 5270, 40099, 80198, 200495, 400990, 681683, 1243069, 1363366, 2486138, 3408415, 6215345, 6816830, 12430690, 21132173, 42264346, 105660865, 211321730]

約数ペア:

[(1, 211321730), (2, 105660865), (5, 42264346), (10, 21132173), (17, 12430690), (31, 6816830), (34, 6215345), (62, 3408415), (85, 2486138), (155, 1363366), (170, 1243069), (310, 681683), (527, 400990), (1054, 200495), (2635, 80198), (5270, 40099)]