201977648

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{313}}^1\times {\mathrm{1301}}^1$

素因数の和:1653

約数の個数: 40

約数和(自身を含む): 405557376

約数和(自身を除く): 203579728

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 313, 496, 626, 1252, 1301, 2504, 2602, 5008, 5204, 9703, 10408, 19406, 20816, 38812, 40331, 77624, 80662, 155248, 161324, 322648, 407213, 645296, 814426, 1628852, 3257704, 6515408, 12623603, 25247206, 50494412, 100988824, 201977648]

約数ペア:

[(1, 201977648), (2, 100988824), (4, 50494412), (8, 25247206), (16, 12623603), (31, 6515408), (62, 3257704), (124, 1628852), (248, 814426), (313, 645296), (496, 407213), (626, 322648), (1252, 161324), (1301, 155248), (2504, 80662), (2602, 77624), (5008, 40331), (5204, 38812), (9703, 20816), (10408, 19406)]