2158428

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1$

素因数の和:186

約数の個数: 48

約数和(自身を含む): 5322240

約数和(自身を除く): 3163812

約数列:

[1, 2, 3, 4, 6, 12, 43, 47, 86, 89, 94, 129, 141, 172, 178, 188, 258, 267, 282, 356, 516, 534, 564, 1068, 2021, 3827, 4042, 4183, 6063, 7654, 8084, 8366, 11481, 12126, 12549, 15308, 16732, 22962, 24252, 25098, 45924, 50196, 179869, 359738, 539607, 719476, 1079214, 2158428]

約数ペア:

[(1, 2158428), (2, 1079214), (3, 719476), (4, 539607), (6, 359738), (12, 179869), (43, 50196), (47, 45924), (86, 25098), (89, 24252), (94, 22962), (129, 16732), (141, 15308), (172, 12549), (178, 12126), (188, 11481), (258, 8366), (267, 8084), (282, 7654), (356, 6063), (516, 4183), (534, 4042), (564, 3827), (1068, 2021)]