78004008

素因数分解:

$2^3\times 3^2\times {\mathrm{71}}^1\times {\mathrm{15259}}^1$

素因数の和:15342

約数の個数: 48

約数和(自身を含む): 214250400

約数和(自身を除く): 136246392

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 71, 72, 142, 213, 284, 426, 568, 639, 852, 1278, 1704, 2556, 5112, 15259, 30518, 45777, 61036, 91554, 122072, 137331, 183108, 274662, 366216, 549324, 1083389, 1098648, 2166778, 3250167, 4333556, 6500334, 8667112, 9750501, 13000668, 19501002, 26001336, 39002004, 78004008]

約数ペア:

[(1, 78004008), (2, 39002004), (3, 26001336), (4, 19501002), (6, 13000668), (8, 9750501), (9, 8667112), (12, 6500334), (18, 4333556), (24, 3250167), (36, 2166778), (71, 1098648), (72, 1083389), (142, 549324), (213, 366216), (284, 274662), (426, 183108), (568, 137331), (639, 122072), (852, 91554), (1278, 61036), (1704, 45777), (2556, 30518), (5112, 15259)]