78905086

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:221

約数の個数: 48

約数和(自身を含む): 134790480

約数和(自身を除く): 55885394

約数列:

[1, 2, 13, 26, 43, 61, 86, 89, 122, 169, 178, 338, 559, 793, 1118, 1157, 1586, 2314, 2623, 3827, 5246, 5429, 7267, 7654, 10309, 10858, 14534, 15041, 20618, 30082, 34099, 49751, 68198, 70577, 99502, 141154, 233447, 443287, 466894, 646763, 886574, 917501, 1293526, 1835002, 3034811, 6069622, 39452543, 78905086]

約数ペア:

[(1, 78905086), (2, 39452543), (13, 6069622), (26, 3034811), (43, 1835002), (61, 1293526), (86, 917501), (89, 886574), (122, 646763), (169, 466894), (178, 443287), (338, 233447), (559, 141154), (793, 99502), (1118, 70577), (1157, 68198), (1586, 49751), (2314, 34099), (2623, 30082), (3827, 20618), (5246, 15041), (5429, 14534), (7267, 10858), (7654, 10309)]