661498088

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{853}}^1$

素因数の和:1002

約数の個数: 64

約数和(自身を含む): 1328140800

約数和(自身を除く): 666642712

約数列:

[1, 2, 4, 8, 31, 53, 59, 62, 106, 118, 124, 212, 236, 248, 424, 472, 853, 1643, 1706, 1829, 3127, 3286, 3412, 3658, 6254, 6572, 6824, 7316, 12508, 13144, 14632, 25016, 26443, 45209, 50327, 52886, 90418, 96937, 100654, 105772, 180836, 193874, 201308, 211544, 361672, 387748, 402616, 775496, 1401479, 1560137, 2667331, 2802958, 3120274, 5334662, 5605916, 6240548, 10669324, 11211832, 12481096, 21338648, 82687261, 165374522, 330749044, 661498088]

約数ペア:

[(1, 661498088), (2, 330749044), (4, 165374522), (8, 82687261), (31, 21338648), (53, 12481096), (59, 11211832), (62, 10669324), (106, 6240548), (118, 5605916), (124, 5334662), (212, 3120274), (236, 2802958), (248, 2667331), (424, 1560137), (472, 1401479), (853, 775496), (1643, 402616), (1706, 387748), (1829, 361672), (3127, 211544), (3286, 201308), (3412, 193874), (3658, 180836), (6254, 105772), (6572, 100654), (6824, 96937), (7316, 90418), (12508, 52886), (13144, 50327), (14632, 45209), (25016, 26443)]