28719210

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{349}}^1$

素因数の和:583

約数の個数: 64

約数和(自身を含む): 74793600

約数和(自身を除く): 46074390

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 211, 349, 390, 422, 633, 698, 1047, 1055, 1266, 1745, 2094, 2110, 2743, 3165, 3490, 4537, 5235, 5486, 6330, 8229, 9074, 10470, 13611, 13715, 16458, 22685, 27222, 27430, 41145, 45370, 68055, 73639, 82290, 136110, 147278, 220917, 368195, 441834, 736390, 957307, 1104585, 1914614, 2209170, 2871921, 4786535, 5743842, 9573070, 14359605, 28719210]

約数ペア:

[(1, 28719210), (2, 14359605), (3, 9573070), (5, 5743842), (6, 4786535), (10, 2871921), (13, 2209170), (15, 1914614), (26, 1104585), (30, 957307), (39, 736390), (65, 441834), (78, 368195), (130, 220917), (195, 147278), (211, 136110), (349, 82290), (390, 73639), (422, 68055), (633, 45370), (698, 41145), (1047, 27430), (1055, 27222), (1266, 22685), (1745, 16458), (2094, 13715), (2110, 13611), (2743, 10470), (3165, 9074), (3490, 8229), (4537, 6330), (5235, 5486)]