639005208

素因数分解:

$2^3\times 3^1\times {\mathrm{73}}^1\times {\mathrm{569}}^1\times {\mathrm{641}}^1$

素因数の和:1292

約数の個数: 64

約数和(自身を含む): 1624773600

約数和(自身を除く): 985768392

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 73, 146, 219, 292, 438, 569, 584, 641, 876, 1138, 1282, 1707, 1752, 1923, 2276, 2564, 3414, 3846, 4552, 5128, 6828, 7692, 13656, 15384, 41537, 46793, 83074, 93586, 124611, 140379, 166148, 187172, 249222, 280758, 332296, 364729, 374344, 498444, 561516, 729458, 996888, 1094187, 1123032, 1458916, 2188374, 2917832, 4376748, 8753496, 26625217, 53250434, 79875651, 106500868, 159751302, 213001736, 319502604, 639005208]

約数ペア:

[(1, 639005208), (2, 319502604), (3, 213001736), (4, 159751302), (6, 106500868), (8, 79875651), (12, 53250434), (24, 26625217), (73, 8753496), (146, 4376748), (219, 2917832), (292, 2188374), (438, 1458916), (569, 1123032), (584, 1094187), (641, 996888), (876, 729458), (1138, 561516), (1282, 498444), (1707, 374344), (1752, 364729), (1923, 332296), (2276, 280758), (2564, 249222), (3414, 187172), (3846, 166148), (4552, 140379), (5128, 124611), (6828, 93586), (7692, 83074), (13656, 46793), (15384, 41537)]