639403776

素因数分解:

$2^8\times 3^2\times {\mathrm{11}}^1\times {\mathrm{25229}}^1$

素因数の和:25262

約数の個数: 108

約数和(自身を含む): 2011234680

約数和(自身を除く): 1371830904

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 32, 33, 36, 44, 48, 64, 66, 72, 88, 96, 99, 128, 132, 144, 176, 192, 198, 256, 264, 288, 352, 384, 396, 528, 576, 704, 768, 792, 1056, 1152, 1408, 1584, 2112, 2304, 2816, 3168, 4224, 6336, 8448, 12672, 25229, 25344, 50458, 75687, 100916, 151374, 201832, 227061, 277519, 302748, 403664, 454122, 555038, 605496, 807328, 832557, 908244, 1110076, 1210992, 1614656, 1665114, 1816488, 2220152, 2421984, 2497671, 3229312, 3330228, 3632976, 4440304, 4843968, 4995342, 6458624, 6660456, 7265952, 8880608, 9687936, 9990684, 13320912, 14531904, 17761216, 19375872, 19981368, 26641824, 29063808, 35522432, 39962736, 53283648, 58127616, 71044864, 79925472, 106567296, 159850944, 213134592, 319701888, 639403776]

約数ペア:

[(1, 639403776), (2, 319701888), (3, 213134592), (4, 159850944), (6, 106567296), (8, 79925472), (9, 71044864), (11, 58127616), (12, 53283648), (16, 39962736), (18, 35522432), (22, 29063808), (24, 26641824), (32, 19981368), (33, 19375872), (36, 17761216), (44, 14531904), (48, 13320912), (64, 9990684), (66, 9687936), (72, 8880608), (88, 7265952), (96, 6660456), (99, 6458624), (128, 4995342), (132, 4843968), (144, 4440304), (176, 3632976), (192, 3330228), (198, 3229312), (256, 2497671), (264, 2421984), (288, 2220152), (352, 1816488), (384, 1665114), (396, 1614656), (528, 1210992), (576, 1110076), (704, 908244), (768, 832557), (792, 807328), (1056, 605496), (1152, 555038), (1408, 454122), (1584, 403664), (2112, 302748), (2304, 277519), (2816, 227061), (3168, 201832), (4224, 151374), (6336, 100916), (8448, 75687), (12672, 50458), (25229, 25344)]