1640609895

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{163979}}^1$

素因数の和:164039

約数の個数: 32

約数和(自身を含む): 2833574400

約数和(自身を除く): 1192964505

約数列:

[1, 3, 5, 15, 23, 29, 69, 87, 115, 145, 345, 435, 667, 2001, 3335, 10005, 163979, 491937, 819895, 2459685, 3771517, 4755391, 11314551, 14266173, 18857585, 23776955, 56572755, 71330865, 109373993, 328121979, 546869965, 1640609895]

約数ペア:

[(1, 1640609895), (3, 546869965), (5, 328121979), (15, 109373993), (23, 71330865), (29, 56572755), (69, 23776955), (87, 18857585), (115, 14266173), (145, 11314551), (345, 4755391), (435, 3771517), (667, 2459685), (2001, 819895), (3335, 491937), (10005, 163979)]