259230478

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{3863}}^1$

素因数の和:3996

約数の個数: 32

約数和(自身を含む): 438177600

約数和(自身を除く): 178947122

約数列:

[1, 2, 13, 26, 29, 58, 89, 178, 377, 754, 1157, 2314, 2581, 3863, 5162, 7726, 33553, 50219, 67106, 100438, 112027, 224054, 343807, 687614, 1456351, 2912702, 4469491, 8938982, 9970403, 19940806, 129615239, 259230478]

約数ペア:

[(1, 259230478), (2, 129615239), (13, 19940806), (26, 9970403), (29, 8938982), (58, 4469491), (89, 2912702), (178, 1456351), (377, 687614), (754, 343807), (1157, 224054), (2314, 112027), (2581, 100438), (3863, 67106), (5162, 50219), (7726, 33553)]