91998725

素因数分解:

$5^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1$

素因数の和:199

約数の個数: 72

約数和(自身を含む): 146943720

約数和(自身を除く): 54944995

約数列:

[1, 5, 7, 13, 25, 35, 49, 53, 65, 91, 109, 175, 245, 265, 325, 371, 455, 545, 637, 689, 763, 1225, 1325, 1417, 1855, 2275, 2597, 2725, 3185, 3445, 3815, 4823, 5341, 5777, 7085, 9275, 9919, 12985, 15925, 17225, 19075, 24115, 26705, 28885, 33761, 35425, 40439, 49595, 64925, 69433, 75101, 120575, 133525, 144425, 168805, 202195, 247975, 283073, 347165, 375505, 525707, 844025, 1010975, 1415365, 1735825, 1877525, 2628535, 3679949, 7076825, 13142675, 18399745, 91998725]

約数ペア:

[(1, 91998725), (5, 18399745), (7, 13142675), (13, 7076825), (25, 3679949), (35, 2628535), (49, 1877525), (53, 1735825), (65, 1415365), (91, 1010975), (109, 844025), (175, 525707), (245, 375505), (265, 347165), (325, 283073), (371, 247975), (455, 202195), (545, 168805), (637, 144425), (689, 133525), (763, 120575), (1225, 75101), (1325, 69433), (1417, 64925), (1855, 49595), (2275, 40439), (2597, 35425), (2725, 33761), (3185, 28885), (3445, 26705), (3815, 24115), (4823, 19075), (5341, 17225), (5777, 15925), (7085, 12985), (9275, 9919)]