28378908

素因数分解:

$2^2\times 3^2\times {\mathrm{61}}^1\times {\mathrm{12923}}^1$

素因数の和:12994

約数の個数: 36

約数和(自身を含む): 72917208

約数和(自身を除く): 44538300

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 61, 122, 183, 244, 366, 549, 732, 1098, 2196, 12923, 25846, 38769, 51692, 77538, 116307, 155076, 232614, 465228, 788303, 1576606, 2364909, 3153212, 4729818, 7094727, 9459636, 14189454, 28378908]

約数ペア:

[(1, 28378908), (2, 14189454), (3, 9459636), (4, 7094727), (6, 4729818), (9, 3153212), (12, 2364909), (18, 1576606), (36, 788303), (61, 465228), (122, 232614), (183, 155076), (244, 116307), (366, 77538), (549, 51692), (732, 38769), (1098, 25846), (2196, 12923)]