278361408

素因数分解:

$2^6\times 3^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{487}}^1$

素因数の和:744

約数の個数: 112

約数和(自身を含む): 798250880

約数和(自身を除く): 519889472

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 64, 78, 96, 104, 156, 192, 208, 229, 312, 416, 458, 487, 624, 687, 832, 916, 974, 1248, 1374, 1461, 1832, 1948, 2496, 2748, 2922, 2977, 3664, 3896, 5496, 5844, 5954, 6331, 7328, 7792, 8931, 10992, 11688, 11908, 12662, 14656, 15584, 17862, 18993, 21984, 23376, 23816, 25324, 31168, 35724, 37986, 43968, 46752, 47632, 50648, 71448, 75972, 93504, 95264, 101296, 111523, 142896, 151944, 190528, 202592, 223046, 285792, 303888, 334569, 405184, 446092, 571584, 607776, 669138, 892184, 1215552, 1338276, 1449799, 1784368, 2676552, 2899598, 3568736, 4349397, 5353104, 5799196, 7137472, 8698794, 10706208, 11598392, 17397588, 21412416, 23196784, 34795176, 46393568, 69590352, 92787136, 139180704, 278361408]

約数ペア:

[(1, 278361408), (2, 139180704), (3, 92787136), (4, 69590352), (6, 46393568), (8, 34795176), (12, 23196784), (13, 21412416), (16, 17397588), (24, 11598392), (26, 10706208), (32, 8698794), (39, 7137472), (48, 5799196), (52, 5353104), (64, 4349397), (78, 3568736), (96, 2899598), (104, 2676552), (156, 1784368), (192, 1449799), (208, 1338276), (229, 1215552), (312, 892184), (416, 669138), (458, 607776), (487, 571584), (624, 446092), (687, 405184), (832, 334569), (916, 303888), (974, 285792), (1248, 223046), (1374, 202592), (1461, 190528), (1832, 151944), (1948, 142896), (2496, 111523), (2748, 101296), (2922, 95264), (2977, 93504), (3664, 75972), (3896, 71448), (5496, 50648), (5844, 47632), (5954, 46752), (6331, 43968), (7328, 37986), (7792, 35724), (8931, 31168), (10992, 25324), (11688, 23816), (11908, 23376), (12662, 21984), (14656, 18993), (15584, 17862)]