72904715

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{373}}^1$

素因数の和:519

約数の個数: 32

約数和(自身を含む): 98520576

約数和(自身を除く): 25615861

約数列:

[1, 5, 13, 31, 65, 97, 155, 373, 403, 485, 1261, 1865, 2015, 3007, 4849, 6305, 11563, 15035, 24245, 36181, 39091, 57815, 150319, 180905, 195455, 470353, 751595, 1121611, 2351765, 5608055, 14580943, 72904715]

約数ペア:

[(1, 72904715), (5, 14580943), (13, 5608055), (31, 2351765), (65, 1121611), (97, 751595), (155, 470353), (373, 195455), (403, 180905), (485, 150319), (1261, 57815), (1865, 39091), (2015, 36181), (3007, 24245), (4849, 15035), (6305, 11563)]