281474704

素因数分解:

$2^4\times 7^1\times {\mathrm{691}}^1\times {\mathrm{3637}}^1$

素因数の和:4343

約数の個数: 40

約数和(自身を含む): 624339008

約数和(自身を除く): 342864304

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 691, 1382, 2764, 3637, 4837, 5528, 7274, 9674, 11056, 14548, 19348, 25459, 29096, 38696, 50918, 58192, 77392, 101836, 203672, 407344, 2513167, 5026334, 10052668, 17592169, 20105336, 35184338, 40210672, 70368676, 140737352, 281474704]

約数ペア:

[(1, 281474704), (2, 140737352), (4, 70368676), (7, 40210672), (8, 35184338), (14, 20105336), (16, 17592169), (28, 10052668), (56, 5026334), (112, 2513167), (691, 407344), (1382, 203672), (2764, 101836), (3637, 77392), (4837, 58192), (5528, 50918), (7274, 38696), (9674, 29096), (11056, 25459), (14548, 19348)]