400097488

素因数分解:

$2^4\times 7^1\times {\mathrm{227}}^1\times {\mathrm{15737}}^1$

素因数の和:15979

約数の個数: 40

約数和(自身を含む): 889889472

約数和(自身を除く): 489791984

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 227, 454, 908, 1589, 1816, 3178, 3632, 6356, 12712, 15737, 25424, 31474, 62948, 110159, 125896, 220318, 251792, 440636, 881272, 1762544, 3572299, 7144598, 14289196, 25006093, 28578392, 50012186, 57156784, 100024372, 200048744, 400097488]

約数ペア:

[(1, 400097488), (2, 200048744), (4, 100024372), (7, 57156784), (8, 50012186), (14, 28578392), (16, 25006093), (28, 14289196), (56, 7144598), (112, 3572299), (227, 1762544), (454, 881272), (908, 440636), (1589, 251792), (1816, 220318), (3178, 125896), (3632, 110159), (6356, 62948), (12712, 31474), (15737, 25424)]