399411430

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{213589}}^1$

素因数の和:213624

約数の個数: 32

約数和(自身を含む): 830437920

約数和(自身を除く): 431026490

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 55, 85, 110, 170, 187, 374, 935, 1870, 213589, 427178, 1067945, 2135890, 2349479, 3631013, 4698958, 7262026, 11747395, 18155065, 23494790, 36310130, 39941143, 79882286, 199705715, 399411430]

約数ペア:

[(1, 399411430), (2, 199705715), (5, 79882286), (10, 39941143), (11, 36310130), (17, 23494790), (22, 18155065), (34, 11747395), (55, 7262026), (85, 4698958), (110, 3631013), (170, 2349479), (187, 2135890), (374, 1067945), (935, 427178), (1870, 213589)]