891803332

素因数分解:

$2^2\times 7^2\times {\mathrm{73}}^1\times {\mathrm{157}}^1\times {\mathrm{397}}^1$

素因数の和:645

約数の個数: 72

約数和(自身を含む): 1856712984

約数和(自身を除く): 964909652

約数列:

[1, 2, 4, 7, 14, 28, 49, 73, 98, 146, 157, 196, 292, 314, 397, 511, 628, 794, 1022, 1099, 1588, 2044, 2198, 2779, 3577, 4396, 5558, 7154, 7693, 11116, 11461, 14308, 15386, 19453, 22922, 28981, 30772, 38906, 45844, 57962, 62329, 77812, 80227, 115924, 124658, 160454, 202867, 249316, 320908, 405734, 436303, 561589, 811468, 872606, 1123178, 1420069, 1745212, 2246356, 2840138, 3054121, 4550017, 5680276, 6108242, 9100034, 12216484, 18200068, 31850119, 63700238, 127400476, 222950833, 445901666, 891803332]

約数ペア:

[(1, 891803332), (2, 445901666), (4, 222950833), (7, 127400476), (14, 63700238), (28, 31850119), (49, 18200068), (73, 12216484), (98, 9100034), (146, 6108242), (157, 5680276), (196, 4550017), (292, 3054121), (314, 2840138), (397, 2246356), (511, 1745212), (628, 1420069), (794, 1123178), (1022, 872606), (1099, 811468), (1588, 561589), (2044, 436303), (2198, 405734), (2779, 320908), (3577, 249316), (4396, 202867), (5558, 160454), (7154, 124658), (7693, 115924), (11116, 80227), (11461, 77812), (14308, 62329), (15386, 57962), (19453, 45844), (22922, 38906), (28981, 30772)]