15691645879

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1021}}^1\times {\mathrm{1049}}^1$

素因数の和:2120

約数の個数: 48

約数和(自身を含む): 20552011200

約数和(自身を除く): 4860365321

約数列:

[1, 7, 13, 23, 49, 91, 161, 299, 637, 1021, 1049, 1127, 2093, 7147, 7343, 13273, 13637, 14651, 23483, 24127, 50029, 51401, 92911, 95459, 164381, 168889, 305279, 313651, 650377, 668213, 1071029, 1150667, 1182223, 2136953, 2195557, 7497203, 13923377, 14958671, 15368899, 24633667, 52480421, 97463639, 172435669, 320237671, 682245473, 1207049683, 2241663697, 15691645879]

約数ペア:

[(1, 15691645879), (7, 2241663697), (13, 1207049683), (23, 682245473), (49, 320237671), (91, 172435669), (161, 97463639), (299, 52480421), (637, 24633667), (1021, 15368899), (1049, 14958671), (1127, 13923377), (2093, 7497203), (7147, 2195557), (7343, 2136953), (13273, 1182223), (13637, 1150667), (14651, 1071029), (23483, 668213), (24127, 650377), (50029, 313651), (51401, 305279), (92911, 168889), (95459, 164381)]