9987702925

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{617}}^1\times {\mathrm{643}}^1$

素因数の和:1342

約数の個数: 48

約数和(自身を含む): 13324772160

約数和(自身を除く): 3337069235

約数列:

[1, 5, 19, 25, 53, 95, 265, 475, 617, 643, 1007, 1325, 3085, 3215, 5035, 11723, 12217, 15425, 16075, 25175, 32701, 34079, 58615, 61085, 163505, 170395, 293075, 305425, 396731, 621319, 647501, 817525, 851975, 1983655, 3106595, 3237505, 7537889, 9918275, 15532975, 16187525, 21026743, 37689445, 105133715, 188447225, 399508117, 525668575, 1997540585, 9987702925]

約数ペア:

[(1, 9987702925), (5, 1997540585), (19, 525668575), (25, 399508117), (53, 188447225), (95, 105133715), (265, 37689445), (475, 21026743), (617, 16187525), (643, 15532975), (1007, 9918275), (1325, 7537889), (3085, 3237505), (3215, 3106595), (5035, 1983655), (11723, 851975), (12217, 817525), (15425, 647501), (16075, 621319), (25175, 396731), (32701, 305425), (34079, 293075), (58615, 170395), (61085, 163505)]