389791346

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{347}}^1$

素因数の和:519

約数の個数: 64

約数和(自身を含む): 729630720

約数和(自身を除く): 339839374

約数列:

[1, 2, 7, 14, 19, 38, 41, 82, 103, 133, 206, 266, 287, 347, 574, 694, 721, 779, 1442, 1558, 1957, 2429, 3914, 4223, 4858, 5453, 6593, 8446, 10906, 13186, 13699, 14227, 27398, 28454, 29561, 35741, 46151, 59122, 71482, 80237, 92302, 99589, 160474, 199178, 250187, 270313, 500374, 540626, 561659, 679079, 1123318, 1358158, 1465381, 1892191, 2930762, 3784382, 4753553, 9507106, 10257667, 20515334, 27842239, 55684478, 194895673, 389791346]

約数ペア:

[(1, 389791346), (2, 194895673), (7, 55684478), (14, 27842239), (19, 20515334), (38, 10257667), (41, 9507106), (82, 4753553), (103, 3784382), (133, 2930762), (206, 1892191), (266, 1465381), (287, 1358158), (347, 1123318), (574, 679079), (694, 561659), (721, 540626), (779, 500374), (1442, 270313), (1558, 250187), (1957, 199178), (2429, 160474), (3914, 99589), (4223, 92302), (4858, 80237), (5453, 71482), (6593, 59122), (8446, 46151), (10906, 35741), (13186, 29561), (13699, 28454), (14227, 27398)]