388817936

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{9787}}^1$

素因数の和:9999

約数の個数: 40

約数和(自身を含む): 815614464

約数和(自身を除く): 426796528

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 191, 208, 382, 764, 1528, 2483, 3056, 4966, 9787, 9932, 19574, 19864, 39148, 39728, 78296, 127231, 156592, 254462, 508924, 1017848, 1869317, 2035696, 3738634, 7477268, 14954536, 24301121, 29909072, 48602242, 97204484, 194408968, 388817936]

約数ペア:

[(1, 388817936), (2, 194408968), (4, 97204484), (8, 48602242), (13, 29909072), (16, 24301121), (26, 14954536), (52, 7477268), (104, 3738634), (191, 2035696), (208, 1869317), (382, 1017848), (764, 508924), (1528, 254462), (2483, 156592), (3056, 127231), (4966, 78296), (9787, 39728), (9932, 39148), (19574, 19864)]