13455890

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{3923}}^1$

素因数の和:3951

約数の個数: 32

約数和(自身を含む): 28252800

約数和(自身を除く): 14796910

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 343, 490, 686, 1715, 3430, 3923, 7846, 19615, 27461, 39230, 54922, 137305, 192227, 274610, 384454, 961135, 1345589, 1922270, 2691178, 6727945, 13455890]

約数ペア:

[(1, 13455890), (2, 6727945), (5, 2691178), (7, 1922270), (10, 1345589), (14, 961135), (35, 384454), (49, 274610), (70, 192227), (98, 137305), (245, 54922), (343, 39230), (490, 27461), (686, 19615), (1715, 7846), (3430, 3923)]