215912502

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{4373}}^1$

素因数の和:4605

約数の個数: 48

約数和(自身を含む): 506299248

約数和(自身を除く): 290386746

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 211, 234, 422, 633, 1266, 1899, 2743, 3798, 4373, 5486, 8229, 8746, 13119, 16458, 24687, 26238, 39357, 49374, 56849, 78714, 113698, 170547, 341094, 511641, 922703, 1023282, 1845406, 2768109, 5536218, 8304327, 11995139, 16608654, 23990278, 35985417, 71970834, 107956251, 215912502]

約数ペア:

[(1, 215912502), (2, 107956251), (3, 71970834), (6, 35985417), (9, 23990278), (13, 16608654), (18, 11995139), (26, 8304327), (39, 5536218), (78, 2768109), (117, 1845406), (211, 1023282), (234, 922703), (422, 511641), (633, 341094), (1266, 170547), (1899, 113698), (2743, 78714), (3798, 56849), (4373, 49374), (5486, 39357), (8229, 26238), (8746, 24687), (13119, 16458)]