393400852

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{307}}^1\times {\mathrm{1297}}^1$

素因数の和:1640

約数の個数: 48

約数和(自身を含む): 783576640

約数和(自身を除く): 390175788

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 307, 494, 614, 988, 1228, 1297, 2594, 3991, 5188, 5833, 7982, 11666, 15964, 16861, 23332, 24643, 33722, 49286, 67444, 75829, 98572, 151658, 303316, 320359, 398179, 640718, 796358, 1281436, 1592716, 5176327, 7565401, 10352654, 15130802, 20705308, 30261604, 98350213, 196700426, 393400852]

約数ペア:

[(1, 393400852), (2, 196700426), (4, 98350213), (13, 30261604), (19, 20705308), (26, 15130802), (38, 10352654), (52, 7565401), (76, 5176327), (247, 1592716), (307, 1281436), (494, 796358), (614, 640718), (988, 398179), (1228, 320359), (1297, 303316), (2594, 151658), (3991, 98572), (5188, 75829), (5833, 67444), (7982, 49286), (11666, 33722), (15964, 24643), (16861, 23332)]