1771572125

素因数分解:

$5^3\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{541}}^1$

素因数の和:663

約数の個数: 64

約数和(自身を含む): 2483799552

約数和(自身を除く): 712227427

約数列:

[1, 5, 17, 23, 25, 67, 85, 115, 125, 335, 391, 425, 541, 575, 1139, 1541, 1675, 1955, 2125, 2705, 2875, 5695, 7705, 8375, 9197, 9775, 12443, 13525, 26197, 28475, 36247, 38525, 45985, 48875, 62215, 67625, 130985, 142375, 181235, 192625, 211531, 229925, 311075, 616199, 654925, 833681, 906175, 1057655, 1149625, 1555375, 3080995, 3274625, 4168405, 4530875, 5288275, 14172577, 15404975, 20842025, 26441375, 70862885, 77024875, 104210125, 354314425, 1771572125]

約数ペア:

[(1, 1771572125), (5, 354314425), (17, 104210125), (23, 77024875), (25, 70862885), (67, 26441375), (85, 20842025), (115, 15404975), (125, 14172577), (335, 5288275), (391, 4530875), (425, 4168405), (541, 3274625), (575, 3080995), (1139, 1555375), (1541, 1149625), (1675, 1057655), (1955, 906175), (2125, 833681), (2705, 654925), (2875, 616199), (5695, 311075), (7705, 229925), (8375, 211531), (9197, 192625), (9775, 181235), (12443, 142375), (13525, 130985), (26197, 67625), (28475, 62215), (36247, 48875), (38525, 45985)]