55490785

素因数分解:

$5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:206

約数の個数: 48

約数和(自身を含む): 81423360

約数和(自身を除く): 25932575

約数列:

[1, 5, 7, 35, 47, 49, 61, 79, 235, 245, 305, 329, 395, 427, 553, 1645, 2135, 2303, 2765, 2867, 2989, 3713, 3871, 4819, 11515, 14335, 14945, 18565, 19355, 20069, 24095, 25991, 33733, 100345, 129955, 140483, 168665, 181937, 226493, 236131, 702415, 909685, 1132465, 1180655, 1585451, 7927255, 11098157, 55490785]

約数ペア:

[(1, 55490785), (5, 11098157), (7, 7927255), (35, 1585451), (47, 1180655), (49, 1132465), (61, 909685), (79, 702415), (235, 236131), (245, 226493), (305, 181937), (329, 168665), (395, 140483), (427, 129955), (553, 100345), (1645, 33733), (2135, 25991), (2303, 24095), (2765, 20069), (2867, 19355), (2989, 18565), (3713, 14945), (3871, 14335), (4819, 11515)]