20171138

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{379}}^1$

素因数の和:506

約数の個数: 32

約数和(自身を含む): 34473600

約数和(自身を除く): 14302462

約数列:

[1, 2, 13, 23, 26, 46, 89, 178, 299, 379, 598, 758, 1157, 2047, 2314, 4094, 4927, 8717, 9854, 17434, 26611, 33731, 53222, 67462, 113321, 226642, 438503, 775813, 877006, 1551626, 10085569, 20171138]

約数ペア:

[(1, 20171138), (2, 10085569), (13, 1551626), (23, 877006), (26, 775813), (46, 438503), (89, 226642), (178, 113321), (299, 67462), (379, 53222), (598, 33731), (758, 26611), (1157, 17434), (2047, 9854), (2314, 8717), (4094, 4927)]