649752016

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1\times {\mathrm{173}}^1$

素因数の和:380

約数の個数: 80

約数和(自身を含む): 1332878976

約数和(自身を除く): 683126960

約数列:

[1, 2, 4, 8, 16, 43, 53, 86, 103, 106, 172, 173, 206, 212, 344, 346, 412, 424, 688, 692, 824, 848, 1384, 1648, 2279, 2768, 4429, 4558, 5459, 7439, 8858, 9116, 9169, 10918, 14878, 17716, 17819, 18232, 18338, 21836, 29756, 35432, 35638, 36464, 36676, 43672, 59512, 70864, 71276, 73352, 87344, 119024, 142552, 146704, 234737, 285104, 394267, 469474, 766217, 788534, 938948, 944407, 1532434, 1577068, 1877896, 1888814, 3064868, 3154136, 3755792, 3777628, 6129736, 6308272, 7555256, 12259472, 15110512, 40609501, 81219002, 162438004, 324876008, 649752016]

約数ペア:

[(1, 649752016), (2, 324876008), (4, 162438004), (8, 81219002), (16, 40609501), (43, 15110512), (53, 12259472), (86, 7555256), (103, 6308272), (106, 6129736), (172, 3777628), (173, 3755792), (206, 3154136), (212, 3064868), (344, 1888814), (346, 1877896), (412, 1577068), (424, 1532434), (688, 944407), (692, 938948), (824, 788534), (848, 766217), (1384, 469474), (1648, 394267), (2279, 285104), (2768, 234737), (4429, 146704), (4558, 142552), (5459, 119024), (7439, 87344), (8858, 73352), (9116, 71276), (9169, 70864), (10918, 59512), (14878, 43672), (17716, 36676), (17819, 36464), (18232, 35638), (18338, 35432), (21836, 29756)]