256528519

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{607}}^1$

素因数の和:727

約数の個数: 32

約数和(自身を含む): 306432000

約数和(自身を除く): 49903481

約数列:

[1, 13, 19, 29, 59, 247, 377, 551, 607, 767, 1121, 1711, 7163, 7891, 11533, 14573, 17603, 22243, 32509, 35813, 149929, 228839, 334457, 422617, 465569, 680447, 1038577, 4347941, 8845811, 13501501, 19732963, 256528519]

約数ペア:

[(1, 256528519), (13, 19732963), (19, 13501501), (29, 8845811), (59, 4347941), (247, 1038577), (377, 680447), (551, 465569), (607, 422617), (767, 334457), (1121, 228839), (1711, 149929), (7163, 35813), (7891, 32509), (11533, 22243), (14573, 17603)]