489156786

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{491}}^1\times {\mathrm{971}}^1$

素因数の和:1492

約数の個数: 64

約数和(自身を含む): 1147737600

約数和(自身を除く): 658580814

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 114, 171, 342, 491, 513, 971, 982, 1026, 1473, 1942, 2913, 2946, 4419, 5826, 8739, 8838, 9329, 13257, 17478, 18449, 18658, 26217, 26514, 27987, 36898, 52434, 55347, 55974, 83961, 110694, 166041, 167922, 251883, 332082, 476761, 498123, 503766, 953522, 996246, 1430283, 2860566, 4290849, 8581698, 9058459, 12872547, 18116918, 25745094, 27175377, 54350754, 81526131, 163052262, 244578393, 489156786]

約数ペア:

[(1, 489156786), (2, 244578393), (3, 163052262), (6, 81526131), (9, 54350754), (18, 27175377), (19, 25745094), (27, 18116918), (38, 12872547), (54, 9058459), (57, 8581698), (114, 4290849), (171, 2860566), (342, 1430283), (491, 996246), (513, 953522), (971, 503766), (982, 498123), (1026, 476761), (1473, 332082), (1942, 251883), (2913, 167922), (2946, 166041), (4419, 110694), (5826, 83961), (8739, 55974), (8838, 55347), (9329, 52434), (13257, 36898), (17478, 27987), (18449, 26514), (18658, 26217)]