28293876

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{60457}}^1$

素因数の和:60480

約数の個数: 36

約数和(自身を含む): 77023492

約数和(自身を除く): 48729616

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 60457, 120914, 181371, 241828, 362742, 544113, 725484, 785941, 1088226, 1571882, 2176452, 2357823, 3143764, 4715646, 7073469, 9431292, 14146938, 28293876]

約数ペア:

[(1, 28293876), (2, 14146938), (3, 9431292), (4, 7073469), (6, 4715646), (9, 3143764), (12, 2357823), (13, 2176452), (18, 1571882), (26, 1088226), (36, 785941), (39, 725484), (52, 544113), (78, 362742), (117, 241828), (156, 181371), (234, 120914), (468, 60457)]