28506618

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{233}}^1\times {\mathrm{971}}^1$

素因数の和:1219

約数の個数: 48

約数和(自身を含む): 70963776

約数和(自身を除く): 42457158

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 233, 466, 699, 971, 1398, 1631, 1942, 2097, 2913, 3262, 4194, 4893, 5826, 6797, 8739, 9786, 13594, 14679, 17478, 20391, 29358, 40782, 61173, 122346, 226243, 452486, 678729, 1357458, 1583701, 2036187, 3167402, 4072374, 4751103, 9502206, 14253309, 28506618]

約数ペア:

[(1, 28506618), (2, 14253309), (3, 9502206), (6, 4751103), (7, 4072374), (9, 3167402), (14, 2036187), (18, 1583701), (21, 1357458), (42, 678729), (63, 452486), (126, 226243), (233, 122346), (466, 61173), (699, 40782), (971, 29358), (1398, 20391), (1631, 17478), (1942, 14679), (2097, 13594), (2913, 9786), (3262, 8739), (4194, 6797), (4893, 5826)]