1621947984

素因数分解:

$2^4\times 3^1\times {\mathrm{37}}^1\times {\mathrm{913259}}^1$

素因数の和:913307

約数の個数: 40

約数和(自身を含む): 4303281120

約数和(自身を除く): 2681333136

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 37, 48, 74, 111, 148, 222, 296, 444, 592, 888, 1776, 913259, 1826518, 2739777, 3653036, 5479554, 7306072, 10959108, 14612144, 21918216, 33790583, 43836432, 67581166, 101371749, 135162332, 202743498, 270324664, 405486996, 540649328, 810973992, 1621947984]

約数ペア:

[(1, 1621947984), (2, 810973992), (3, 540649328), (4, 405486996), (6, 270324664), (8, 202743498), (12, 135162332), (16, 101371749), (24, 67581166), (37, 43836432), (48, 33790583), (74, 21918216), (111, 14612144), (148, 10959108), (222, 7306072), (296, 5479554), (444, 3653036), (592, 2739777), (888, 1826518), (1776, 913259)]