631904

素因数分解:

$2^5\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1$

素因数の和:68

約数の個数: 72

約数和(自身を含む): 1608768

約数和(自身を除く): 976864

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 31, 32, 49, 52, 56, 62, 91, 98, 104, 112, 124, 182, 196, 208, 217, 224, 248, 364, 392, 403, 416, 434, 496, 637, 728, 784, 806, 868, 992, 1274, 1456, 1519, 1568, 1612, 1736, 2548, 2821, 2912, 3038, 3224, 3472, 5096, 5642, 6076, 6448, 6944, 10192, 11284, 12152, 12896, 19747, 20384, 22568, 24304, 39494, 45136, 48608, 78988, 90272, 157976, 315952, 631904]

約数ペア:

[(1, 631904), (2, 315952), (4, 157976), (7, 90272), (8, 78988), (13, 48608), (14, 45136), (16, 39494), (26, 24304), (28, 22568), (31, 20384), (32, 19747), (49, 12896), (52, 12152), (56, 11284), (62, 10192), (91, 6944), (98, 6448), (104, 6076), (112, 5642), (124, 5096), (182, 3472), (196, 3224), (208, 3038), (217, 2912), (224, 2821), (248, 2548), (364, 1736), (392, 1612), (403, 1568), (416, 1519), (434, 1456), (496, 1274), (637, 992), (728, 868), (784, 806)]