72542743

素因数分解:

$7^1\times {\mathrm{13}}^3\times {\mathrm{53}}^1\times {\mathrm{89}}^1$

素因数の和:188

約数の個数: 32

約数和(自身を含む): 92534400

約数和(自身を除く): 19991657

約数列:

[1, 7, 13, 53, 89, 91, 169, 371, 623, 689, 1157, 1183, 2197, 4717, 4823, 8099, 8957, 15041, 15379, 33019, 61321, 62699, 105287, 116441, 195533, 429247, 797173, 815087, 1368731, 5580211, 10363249, 72542743]

約数ペア:

[(1, 72542743), (7, 10363249), (13, 5580211), (53, 1368731), (89, 815087), (91, 797173), (169, 429247), (371, 195533), (623, 116441), (689, 105287), (1157, 62699), (1183, 61321), (2197, 33019), (4717, 15379), (4823, 15041), (8099, 8957)]