28961212

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{373}}^1$

素因数の和:490

約数の個数: 48

約数和(自身を含む): 60318720

約数和(自身を除く): 31357508

約数列:

[1, 2, 4, 7, 14, 28, 47, 59, 94, 118, 188, 236, 329, 373, 413, 658, 746, 826, 1316, 1492, 1652, 2611, 2773, 5222, 5546, 10444, 11092, 17531, 19411, 22007, 35062, 38822, 44014, 70124, 77644, 88028, 122717, 154049, 245434, 308098, 490868, 616196, 1034329, 2068658, 4137316, 7240303, 14480606, 28961212]

約数ペア:

[(1, 28961212), (2, 14480606), (4, 7240303), (7, 4137316), (14, 2068658), (28, 1034329), (47, 616196), (59, 490868), (94, 308098), (118, 245434), (188, 154049), (236, 122717), (329, 88028), (373, 77644), (413, 70124), (658, 44014), (746, 38822), (826, 35062), (1316, 22007), (1492, 19411), (1652, 17531), (2611, 11092), (2773, 10444), (5222, 5546)]