389831169

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{631}}^1$

素因数の和:758

約数の個数: 64

約数和(自身を含む): 670466048

約数和(自身を除く): 280634879

約数列:

[1, 3, 7, 13, 21, 31, 39, 73, 91, 93, 217, 219, 273, 403, 511, 631, 651, 949, 1209, 1533, 1893, 2263, 2821, 2847, 4417, 6643, 6789, 8203, 8463, 13251, 15841, 19561, 19929, 24609, 29419, 46063, 47523, 57421, 58683, 88257, 136927, 138189, 172263, 205933, 254293, 322441, 410781, 598819, 617799, 762879, 967323, 1427953, 1780051, 1796457, 4191733, 4283859, 5340153, 9995671, 12575199, 18563389, 29987013, 55690167, 129943723, 389831169]

約数ペア:

[(1, 389831169), (3, 129943723), (7, 55690167), (13, 29987013), (21, 18563389), (31, 12575199), (39, 9995671), (73, 5340153), (91, 4283859), (93, 4191733), (217, 1796457), (219, 1780051), (273, 1427953), (403, 967323), (511, 762879), (631, 617799), (651, 598819), (949, 410781), (1209, 322441), (1533, 254293), (1893, 205933), (2263, 172263), (2821, 138189), (2847, 136927), (4417, 88257), (6643, 58683), (6789, 57421), (8203, 47523), (8463, 46063), (13251, 29419), (15841, 24609), (19561, 19929)]