397475208

素因数分解:

$2^3\times 3^3\times {\mathrm{13}}^1\times {\mathrm{141551}}^1$

素因数の和:141579

約数の個数: 64

約数和(自身を含む): 1189036800

約数和(自身を除く): 791561592

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 39, 52, 54, 72, 78, 104, 108, 117, 156, 216, 234, 312, 351, 468, 702, 936, 1404, 2808, 141551, 283102, 424653, 566204, 849306, 1132408, 1273959, 1698612, 1840163, 2547918, 3397224, 3680326, 3821877, 5095836, 5520489, 7360652, 7643754, 10191672, 11040978, 14721304, 15287508, 16561467, 22081956, 30575016, 33122934, 44163912, 49684401, 66245868, 99368802, 132491736, 198737604, 397475208]

約数ペア:

[(1, 397475208), (2, 198737604), (3, 132491736), (4, 99368802), (6, 66245868), (8, 49684401), (9, 44163912), (12, 33122934), (13, 30575016), (18, 22081956), (24, 16561467), (26, 15287508), (27, 14721304), (36, 11040978), (39, 10191672), (52, 7643754), (54, 7360652), (72, 5520489), (78, 5095836), (104, 3821877), (108, 3680326), (117, 3397224), (156, 2547918), (216, 1840163), (234, 1698612), (312, 1273959), (351, 1132408), (468, 849306), (702, 566204), (936, 424653), (1404, 283102), (2808, 141551)]