42840642

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{241}}^1$

素因数の和:355

約数の個数: 64

約数和(自身を含む): 96598656

約数和(自身を除く): 53758014

約数列:

[1, 2, 3, 6, 13, 26, 39, 43, 53, 78, 86, 106, 129, 159, 241, 258, 318, 482, 559, 689, 723, 1118, 1378, 1446, 1677, 2067, 2279, 3133, 3354, 4134, 4558, 6266, 6837, 9399, 10363, 12773, 13674, 18798, 20726, 25546, 29627, 31089, 38319, 59254, 62178, 76638, 88881, 134719, 166049, 177762, 269438, 332098, 404157, 498147, 549239, 808314, 996294, 1098478, 1647717, 3295434, 7140107, 14280214, 21420321, 42840642]

約数ペア:

[(1, 42840642), (2, 21420321), (3, 14280214), (6, 7140107), (13, 3295434), (26, 1647717), (39, 1098478), (43, 996294), (53, 808314), (78, 549239), (86, 498147), (106, 404157), (129, 332098), (159, 269438), (241, 177762), (258, 166049), (318, 134719), (482, 88881), (559, 76638), (689, 62178), (723, 59254), (1118, 38319), (1378, 31089), (1446, 29627), (1677, 25546), (2067, 20726), (2279, 18798), (3133, 13674), (3354, 12773), (4134, 10363), (4558, 9399), (6266, 6837)]