28697886

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{421}}^1\times {\mathrm{541}}^1$

素因数の和:977

約数の個数: 48

約数和(自身を含む): 71361888

約数和(自身を除く): 42664002

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 421, 541, 842, 1082, 1263, 1623, 2526, 2947, 3246, 3787, 3789, 4869, 5894, 7574, 7578, 8841, 9738, 11361, 17682, 22722, 26523, 34083, 53046, 68166, 227761, 455522, 683283, 1366566, 1594327, 2049849, 3188654, 4099698, 4782981, 9565962, 14348943, 28697886]

約数ペア:

[(1, 28697886), (2, 14348943), (3, 9565962), (6, 4782981), (7, 4099698), (9, 3188654), (14, 2049849), (18, 1594327), (21, 1366566), (42, 683283), (63, 455522), (126, 227761), (421, 68166), (541, 53046), (842, 34083), (1082, 26523), (1263, 22722), (1623, 17682), (2526, 11361), (2947, 9738), (3246, 8841), (3787, 7578), (3789, 7574), (4869, 5894)]