11989012

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{283}}^1$

素因数の和:400

約数の個数: 48

約数和(自身を含む): 25764480

約数和(自身を除く): 13775468

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 89, 119, 178, 238, 283, 356, 476, 566, 623, 1132, 1246, 1513, 1981, 2492, 3026, 3962, 4811, 6052, 7924, 9622, 10591, 19244, 21182, 25187, 33677, 42364, 50374, 67354, 100748, 134708, 176309, 352618, 428179, 705236, 856358, 1712716, 2997253, 5994506, 11989012]

約数ペア:

[(1, 11989012), (2, 5994506), (4, 2997253), (7, 1712716), (14, 856358), (17, 705236), (28, 428179), (34, 352618), (68, 176309), (89, 134708), (119, 100748), (178, 67354), (238, 50374), (283, 42364), (356, 33677), (476, 25187), (566, 21182), (623, 19244), (1132, 10591), (1246, 9622), (1513, 7924), (1981, 6052), (2492, 4811), (3026, 3962)]