81207516

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{5849}}^1$

素因数の和:5958

約数の個数: 48

約数和(自身を含む): 206388000

約数和(自身を除く): 125180484

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 89, 156, 178, 267, 356, 534, 1068, 1157, 2314, 3471, 4628, 5849, 6942, 11698, 13884, 17547, 23396, 35094, 70188, 76037, 152074, 228111, 304148, 456222, 520561, 912444, 1041122, 1561683, 2082244, 3123366, 6246732, 6767293, 13534586, 20301879, 27069172, 40603758, 81207516]

約数ペア:

[(1, 81207516), (2, 40603758), (3, 27069172), (4, 20301879), (6, 13534586), (12, 6767293), (13, 6246732), (26, 3123366), (39, 2082244), (52, 1561683), (78, 1041122), (89, 912444), (156, 520561), (178, 456222), (267, 304148), (356, 228111), (534, 152074), (1068, 76037), (1157, 70188), (2314, 35094), (3471, 23396), (4628, 17547), (5849, 13884), (6942, 11698)]