78388615

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{419}}^1$

素因数の和:543

約数の個数: 32

約数和(自身を含む): 104509440

約数和(自身を除く): 26120825

約数列:

[1, 5, 17, 31, 71, 85, 155, 355, 419, 527, 1207, 2095, 2201, 2635, 6035, 7123, 11005, 12989, 29749, 35615, 37417, 64945, 148745, 187085, 220813, 505733, 922219, 1104065, 2528665, 4611095, 15677723, 78388615]

約数ペア:

[(1, 78388615), (5, 15677723), (17, 4611095), (31, 2528665), (71, 1104065), (85, 922219), (155, 505733), (355, 220813), (419, 187085), (527, 148745), (1207, 64945), (2095, 37417), (2201, 35615), (2635, 29749), (6035, 12989), (7123, 11005)]