208080915

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1\times {\mathrm{269}}^1$

素因数の和:476

約数の個数: 64

約数和(自身を含む): 391910400

約数和(自身を除く): 183829485

約数列:

[1, 3, 5, 7, 15, 21, 35, 53, 105, 139, 159, 265, 269, 371, 417, 695, 795, 807, 973, 1113, 1345, 1855, 1883, 2085, 2919, 4035, 4865, 5565, 5649, 7367, 9415, 14257, 14595, 22101, 28245, 36835, 37391, 42771, 51569, 71285, 99799, 110505, 112173, 154707, 186955, 213855, 257845, 261737, 299397, 498995, 560865, 773535, 785211, 1308685, 1496985, 1981723, 3926055, 5945169, 9908615, 13872061, 29725845, 41616183, 69360305, 208080915]

約数ペア:

[(1, 208080915), (3, 69360305), (5, 41616183), (7, 29725845), (15, 13872061), (21, 9908615), (35, 5945169), (53, 3926055), (105, 1981723), (139, 1496985), (159, 1308685), (265, 785211), (269, 773535), (371, 560865), (417, 498995), (695, 299397), (795, 261737), (807, 257845), (973, 213855), (1113, 186955), (1345, 154707), (1855, 112173), (1883, 110505), (2085, 99799), (2919, 71285), (4035, 51569), (4865, 42771), (5565, 37391), (5649, 36835), (7367, 28245), (9415, 22101), (14257, 14595)]