28372490

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1$

素因数の和:191

約数の個数: 64

約数和(自身を含む): 57106944

約数和(自身を除く): 28734454

約数列:

[1, 2, 5, 10, 17, 34, 47, 53, 67, 85, 94, 106, 134, 170, 235, 265, 335, 470, 530, 670, 799, 901, 1139, 1598, 1802, 2278, 2491, 3149, 3551, 3995, 4505, 4982, 5695, 6298, 7102, 7990, 9010, 11390, 12455, 15745, 17755, 24910, 31490, 35510, 42347, 53533, 60367, 84694, 107066, 120734, 166897, 211735, 267665, 301835, 333794, 423470, 535330, 603670, 834485, 1668970, 2837249, 5674498, 14186245, 28372490]

約数ペア:

[(1, 28372490), (2, 14186245), (5, 5674498), (10, 2837249), (17, 1668970), (34, 834485), (47, 603670), (53, 535330), (67, 423470), (85, 333794), (94, 301835), (106, 267665), (134, 211735), (170, 166897), (235, 120734), (265, 107066), (335, 84694), (470, 60367), (530, 53533), (670, 42347), (799, 35510), (901, 31490), (1139, 24910), (1598, 17755), (1802, 15745), (2278, 12455), (2491, 11390), (3149, 9010), (3551, 7990), (3995, 7102), (4505, 6298), (4982, 5695)]