397236424

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{27479}}^1$

素因数の和:27637

約数の個数: 32

約数和(自身を含む): 807912000

約数和(自身を除く): 410675576

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 139, 278, 556, 1112, 1807, 3614, 7228, 14456, 27479, 54958, 109916, 219832, 357227, 714454, 1428908, 2857816, 3819581, 7639162, 15278324, 30556648, 49654553, 99309106, 198618212, 397236424]

約数ペア:

[(1, 397236424), (2, 198618212), (4, 99309106), (8, 49654553), (13, 30556648), (26, 15278324), (52, 7639162), (104, 3819581), (139, 2857816), (278, 1428908), (556, 714454), (1112, 357227), (1807, 219832), (3614, 109916), (7228, 54958), (14456, 27479)]