1638712234

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{251}}^1\times {\mathrm{1999}}^1$

素因数の和:2346

約数の個数: 32

約数和(自身を含む): 2612736000

約数和(自身を除く): 974023766

約数列:

[1, 2, 23, 46, 71, 142, 251, 502, 1633, 1999, 3266, 3998, 5773, 11546, 17821, 35642, 45977, 91954, 141929, 283858, 409883, 501749, 819766, 1003498, 3264367, 6528734, 11540227, 23080454, 35624179, 71248358, 819356117, 1638712234]

約数ペア:

[(1, 1638712234), (2, 819356117), (23, 71248358), (46, 35624179), (71, 23080454), (142, 11540227), (251, 6528734), (502, 3264367), (1633, 1003498), (1999, 819766), (3266, 501749), (3998, 409883), (5773, 283858), (11546, 141929), (17821, 91954), (35642, 45977)]