38394915

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{241}}^1$

素因数の和:324

約数の個数: 64

約数和(自身を含む): 71554560

約数和(自身を除く): 33159645

約数列:

[1, 3, 5, 13, 15, 19, 39, 43, 57, 65, 95, 129, 195, 215, 241, 247, 285, 559, 645, 723, 741, 817, 1205, 1235, 1677, 2451, 2795, 3133, 3615, 3705, 4085, 4579, 8385, 9399, 10363, 10621, 12255, 13737, 15665, 22895, 31089, 31863, 46995, 51815, 53105, 59527, 68685, 134719, 155445, 159315, 178581, 196897, 297635, 404157, 590691, 673595, 892905, 984485, 2020785, 2559661, 2953455, 7678983, 12798305, 38394915]

約数ペア:

[(1, 38394915), (3, 12798305), (5, 7678983), (13, 2953455), (15, 2559661), (19, 2020785), (39, 984485), (43, 892905), (57, 673595), (65, 590691), (95, 404157), (129, 297635), (195, 196897), (215, 178581), (241, 159315), (247, 155445), (285, 134719), (559, 68685), (645, 59527), (723, 53105), (741, 51815), (817, 46995), (1205, 31863), (1235, 31089), (1677, 22895), (2451, 15665), (2795, 13737), (3133, 12255), (3615, 10621), (3705, 10363), (4085, 9399), (4579, 8385)]