397641738

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{211}}^1\times {\mathrm{653}}^1$

素因数の和:919

約数の個数: 64

約数和(自身を含む): 885128832

約数和(自身を除く): 487487094

約数列:

[1, 2, 3, 6, 13, 26, 37, 39, 74, 78, 111, 211, 222, 422, 481, 633, 653, 962, 1266, 1306, 1443, 1959, 2743, 2886, 3918, 5486, 7807, 8229, 8489, 15614, 16458, 16978, 23421, 24161, 25467, 46842, 48322, 50934, 72483, 101491, 137783, 144966, 202982, 275566, 304473, 314093, 413349, 608946, 628186, 826698, 942279, 1791179, 1884558, 3582358, 5097971, 5373537, 10195942, 10747074, 15293913, 30587826, 66273623, 132547246, 198820869, 397641738]

約数ペア:

[(1, 397641738), (2, 198820869), (3, 132547246), (6, 66273623), (13, 30587826), (26, 15293913), (37, 10747074), (39, 10195942), (74, 5373537), (78, 5097971), (111, 3582358), (211, 1884558), (222, 1791179), (422, 942279), (481, 826698), (633, 628186), (653, 608946), (962, 413349), (1266, 314093), (1306, 304473), (1443, 275566), (1959, 202982), (2743, 144966), (2886, 137783), (3918, 101491), (5486, 72483), (7807, 50934), (8229, 48322), (8489, 46842), (15614, 25467), (16458, 24161), (16978, 23421)]