661990272

素因数分解:

$2^7\times 3^1\times {\mathrm{1307}}^1\times {\mathrm{1319}}^1$

素因数の和:2643

約数の個数: 64

約数和(自身を含む): 1761091200

約数和(自身を除く): 1099100928

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 384, 1307, 1319, 2614, 2638, 3921, 3957, 5228, 5276, 7842, 7914, 10456, 10552, 15684, 15828, 20912, 21104, 31368, 31656, 41824, 42208, 62736, 63312, 83648, 84416, 125472, 126624, 167296, 168832, 250944, 253248, 501888, 506496, 1723933, 3447866, 5171799, 6895732, 10343598, 13791464, 20687196, 27582928, 41374392, 55165856, 82748784, 110331712, 165497568, 220663424, 330995136, 661990272]

約数ペア:

[(1, 661990272), (2, 330995136), (3, 220663424), (4, 165497568), (6, 110331712), (8, 82748784), (12, 55165856), (16, 41374392), (24, 27582928), (32, 20687196), (48, 13791464), (64, 10343598), (96, 6895732), (128, 5171799), (192, 3447866), (384, 1723933), (1307, 506496), (1319, 501888), (2614, 253248), (2638, 250944), (3921, 168832), (3957, 167296), (5228, 126624), (5276, 125472), (7842, 84416), (7914, 83648), (10456, 63312), (10552, 62736), (15684, 42208), (15828, 41824), (20912, 31656), (21104, 31368)]