221010356

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{8839}}^1$

素因数の和:8916

約数の個数: 48

約数和(自身を含む): 475238400

約数和(自身を除く): 254228044

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 47, 76, 94, 133, 188, 266, 329, 532, 658, 893, 1316, 1786, 3572, 6251, 8839, 12502, 17678, 25004, 35356, 61873, 123746, 167941, 247492, 335882, 415433, 671764, 830866, 1175587, 1661732, 2351174, 2908031, 4702348, 5816062, 7893227, 11632124, 15786454, 31572908, 55252589, 110505178, 221010356]

約数ペア:

[(1, 221010356), (2, 110505178), (4, 55252589), (7, 31572908), (14, 15786454), (19, 11632124), (28, 7893227), (38, 5816062), (47, 4702348), (76, 2908031), (94, 2351174), (133, 1661732), (188, 1175587), (266, 830866), (329, 671764), (532, 415433), (658, 335882), (893, 247492), (1316, 167941), (1786, 123746), (3572, 61873), (6251, 35356), (8839, 25004), (12502, 17678)]