399934742272

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{719597}}^1$

素因数の和:719793

約数の個数: 72

約数和(自身を含む): 864864687456

約数和(自身を除く): 464929945184

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 167, 208, 256, 334, 416, 668, 832, 1336, 1664, 2171, 2672, 3328, 4342, 5344, 8684, 10688, 17368, 21376, 34736, 42752, 69472, 138944, 277888, 555776, 719597, 1439194, 2878388, 5756776, 9354761, 11513552, 18709522, 23027104, 37419044, 46054208, 74838088, 92108416, 120172699, 149676176, 184216832, 240345398, 299352352, 480690796, 598704704, 961381592, 1197409408, 1562245087, 1922763184, 2394818816, 3124490174, 3845526368, 6248980348, 7691052736, 12497960696, 15382105472, 24995921392, 30764210944, 49991842784, 99983685568, 199967371136, 399934742272]

約数ペア:

[(1, 399934742272), (2, 199967371136), (4, 99983685568), (8, 49991842784), (13, 30764210944), (16, 24995921392), (26, 15382105472), (32, 12497960696), (52, 7691052736), (64, 6248980348), (104, 3845526368), (128, 3124490174), (167, 2394818816), (208, 1922763184), (256, 1562245087), (334, 1197409408), (416, 961381592), (668, 598704704), (832, 480690796), (1336, 299352352), (1664, 240345398), (2171, 184216832), (2672, 149676176), (3328, 120172699), (4342, 92108416), (5344, 74838088), (8684, 46054208), (10688, 37419044), (17368, 23027104), (21376, 18709522), (34736, 11513552), (42752, 9354761), (69472, 5756776), (138944, 2878388), (277888, 1439194), (555776, 719597)]