638214976

素因数分解:

$2^6\times 7^1\times {\mathrm{53}}^1\times {\mathrm{26879}}^1$

素因数の和:26951

約数の個数: 56

約数和(自身を含む): 1474744320

約数和(自身を除く): 836529344

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 53, 56, 64, 106, 112, 212, 224, 371, 424, 448, 742, 848, 1484, 1696, 2968, 3392, 5936, 11872, 23744, 26879, 53758, 107516, 188153, 215032, 376306, 430064, 752612, 860128, 1424587, 1505224, 1720256, 2849174, 3010448, 5698348, 6020896, 9972109, 11396696, 12041792, 19944218, 22793392, 39888436, 45586784, 79776872, 91173568, 159553744, 319107488, 638214976]

約数ペア:

[(1, 638214976), (2, 319107488), (4, 159553744), (7, 91173568), (8, 79776872), (14, 45586784), (16, 39888436), (28, 22793392), (32, 19944218), (53, 12041792), (56, 11396696), (64, 9972109), (106, 6020896), (112, 5698348), (212, 3010448), (224, 2849174), (371, 1720256), (424, 1505224), (448, 1424587), (742, 860128), (848, 752612), (1484, 430064), (1696, 376306), (2968, 215032), (3392, 188153), (5936, 107516), (11872, 53758), (23744, 26879)]