318927008

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{16921}}^1$

素因数の和:16981

約数の個数: 48

約数和(自身を含む): 682295040

約数和(自身を除く): 363368032

約数列:

[1, 2, 4, 8, 16, 19, 31, 32, 38, 62, 76, 124, 152, 248, 304, 496, 589, 608, 992, 1178, 2356, 4712, 9424, 16921, 18848, 33842, 67684, 135368, 270736, 321499, 524551, 541472, 642998, 1049102, 1285996, 2098204, 2571992, 4196408, 5143984, 8392816, 9966469, 10287968, 16785632, 19932938, 39865876, 79731752, 159463504, 318927008]

約数ペア:

[(1, 318927008), (2, 159463504), (4, 79731752), (8, 39865876), (16, 19932938), (19, 16785632), (31, 10287968), (32, 9966469), (38, 8392816), (62, 5143984), (76, 4196408), (124, 2571992), (152, 2098204), (248, 1285996), (304, 1049102), (496, 642998), (589, 541472), (608, 524551), (992, 321499), (1178, 270736), (2356, 135368), (4712, 67684), (9424, 33842), (16921, 18848)]