51144990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{659}}^1$

素因数の和:881

約数の個数: 64

約数和(自身を含む): 133056000

約数和(自身を除く): 81911010

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 199, 390, 398, 597, 659, 995, 1194, 1318, 1977, 1990, 2587, 2985, 3295, 3954, 5174, 5970, 6590, 7761, 8567, 9885, 12935, 15522, 17134, 19770, 25701, 25870, 38805, 42835, 51402, 77610, 85670, 128505, 131141, 257010, 262282, 393423, 655705, 786846, 1311410, 1704833, 1967115, 3409666, 3934230, 5114499, 8524165, 10228998, 17048330, 25572495, 51144990]

約数ペア:

[(1, 51144990), (2, 25572495), (3, 17048330), (5, 10228998), (6, 8524165), (10, 5114499), (13, 3934230), (15, 3409666), (26, 1967115), (30, 1704833), (39, 1311410), (65, 786846), (78, 655705), (130, 393423), (195, 262282), (199, 257010), (390, 131141), (398, 128505), (597, 85670), (659, 77610), (995, 51402), (1194, 42835), (1318, 38805), (1977, 25870), (1990, 25701), (2587, 19770), (2985, 17134), (3295, 15522), (3954, 12935), (5174, 9885), (5970, 8567), (6590, 7761)]