919907885

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{229}}^1\times {\mathrm{2687}}^1$

素因数の和:2957

約数の個数: 32

約数和(自身を含む): 1246371840

約数和(自身を除く): 326463955

約数列:

[1, 5, 13, 23, 65, 115, 229, 299, 1145, 1495, 2687, 2977, 5267, 13435, 14885, 26335, 34931, 61801, 68471, 174655, 309005, 342355, 615323, 803413, 3076615, 4017065, 7999199, 14152429, 39995995, 70762145, 183981577, 919907885]

約数ペア:

[(1, 919907885), (5, 183981577), (13, 70762145), (23, 39995995), (65, 14152429), (115, 7999199), (229, 4017065), (299, 3076615), (1145, 803413), (1495, 615323), (2687, 342355), (2977, 309005), (5267, 174655), (13435, 68471), (14885, 61801), (26335, 34931)]