78638664

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{821}}^1$

素因数の和:1150

約数の個数: 64

約数和(自身を含む): 212667840

約数和(自身を除く): 134029176

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 307, 312, 614, 821, 921, 1228, 1642, 1842, 2456, 2463, 3284, 3684, 3991, 4926, 6568, 7368, 7982, 9852, 10673, 11973, 15964, 19704, 21346, 23946, 31928, 32019, 42692, 47892, 64038, 85384, 95784, 128076, 252047, 256152, 504094, 756141, 1008188, 1512282, 2016376, 3024564, 3276611, 6049128, 6553222, 9829833, 13106444, 19659666, 26212888, 39319332, 78638664]

約数ペア:

[(1, 78638664), (2, 39319332), (3, 26212888), (4, 19659666), (6, 13106444), (8, 9829833), (12, 6553222), (13, 6049128), (24, 3276611), (26, 3024564), (39, 2016376), (52, 1512282), (78, 1008188), (104, 756141), (156, 504094), (307, 256152), (312, 252047), (614, 128076), (821, 95784), (921, 85384), (1228, 64038), (1642, 47892), (1842, 42692), (2456, 32019), (2463, 31928), (3284, 23946), (3684, 21346), (3991, 19704), (4926, 15964), (6568, 11973), (7368, 10673), (7982, 9852)]