78312585

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{919}}^1$

素因数の和:982

約数の個数: 64

約数和(自身を含む): 148377600

約数和(自身を除く): 70065015

約数列:

[1, 3, 5, 13, 15, 19, 23, 39, 57, 65, 69, 95, 115, 195, 247, 285, 299, 345, 437, 741, 897, 919, 1235, 1311, 1495, 2185, 2757, 3705, 4485, 4595, 5681, 6555, 11947, 13785, 17043, 17461, 21137, 28405, 35841, 52383, 59735, 63411, 85215, 87305, 105685, 179205, 226993, 261915, 274781, 317055, 401603, 680979, 824343, 1134965, 1204809, 1373905, 2008015, 3404895, 4121715, 5220839, 6024045, 15662517, 26104195, 78312585]

約数ペア:

[(1, 78312585), (3, 26104195), (5, 15662517), (13, 6024045), (15, 5220839), (19, 4121715), (23, 3404895), (39, 2008015), (57, 1373905), (65, 1204809), (69, 1134965), (95, 824343), (115, 680979), (195, 401603), (247, 317055), (285, 274781), (299, 261915), (345, 226993), (437, 179205), (741, 105685), (897, 87305), (919, 85215), (1235, 63411), (1311, 59735), (1495, 52383), (2185, 35841), (2757, 28405), (3705, 21137), (4485, 17461), (4595, 17043), (5681, 13785), (6555, 11947)]