1964925205

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{2207}}^1$

素因数の和:2397

約数の個数: 32

約数和(自身を含む): 2497195008

約数和(自身を除く): 532269803

約数列:

[1, 5, 41, 43, 101, 205, 215, 505, 1763, 2207, 4141, 4343, 8815, 11035, 20705, 21715, 90487, 94901, 178063, 222907, 452435, 474505, 890315, 1114535, 3890941, 9139187, 9585001, 19454705, 45695935, 47925005, 392985041, 1964925205]

約数ペア:

[(1, 1964925205), (5, 392985041), (41, 47925005), (43, 45695935), (101, 19454705), (205, 9585001), (215, 9139187), (505, 3890941), (1763, 1114535), (2207, 890315), (4141, 474505), (4343, 452435), (8815, 222907), (11035, 178063), (20705, 94901), (21715, 90487)]