389871304948

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1\times {\mathrm{370813}}^1$

素因数の和:371048

約数の個数: 48

約数和(自身を含む): 720981076480

約数和(自身を除く): 331109771532

約数列:

[1, 2, 4, 31, 61, 62, 122, 124, 139, 244, 278, 556, 1891, 3782, 4309, 7564, 8479, 8618, 16958, 17236, 33916, 262849, 370813, 525698, 741626, 1051396, 1483252, 11495203, 22619593, 22990406, 45239186, 45980812, 51543007, 90478372, 103086014, 206172028, 701207383, 1402414766, 1597833217, 2804829532, 3144123427, 3195666434, 6288246854, 6391332868, 12576493708, 97467826237, 194935652474, 389871304948]

約数ペア:

[(1, 389871304948), (2, 194935652474), (4, 97467826237), (31, 12576493708), (61, 6391332868), (62, 6288246854), (122, 3195666434), (124, 3144123427), (139, 2804829532), (244, 1597833217), (278, 1402414766), (556, 701207383), (1891, 206172028), (3782, 103086014), (4309, 90478372), (7564, 51543007), (8479, 45980812), (8618, 45239186), (16958, 22990406), (17236, 22619593), (33916, 11495203), (262849, 1483252), (370813, 1051396), (525698, 741626)]