217501816

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{367}}^1\times {\mathrm{557}}^1$

素因数の和:956

約数の個数: 64

約数和(自身を含む): 492825600

約数和(自身を除く): 275323784

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 266, 367, 532, 557, 734, 1064, 1114, 1468, 2228, 2569, 2936, 3899, 4456, 5138, 6973, 7798, 10276, 10583, 13946, 15596, 20552, 21166, 27892, 31192, 42332, 48811, 55784, 74081, 84664, 97622, 148162, 195244, 204419, 296324, 390488, 408838, 592648, 817676, 1430933, 1635352, 2861866, 3883961, 5723732, 7767922, 11447464, 15535844, 27187727, 31071688, 54375454, 108750908, 217501816]

約数ペア:

[(1, 217501816), (2, 108750908), (4, 54375454), (7, 31071688), (8, 27187727), (14, 15535844), (19, 11447464), (28, 7767922), (38, 5723732), (56, 3883961), (76, 2861866), (133, 1635352), (152, 1430933), (266, 817676), (367, 592648), (532, 408838), (557, 390488), (734, 296324), (1064, 204419), (1114, 195244), (1468, 148162), (2228, 97622), (2569, 84664), (2936, 74081), (3899, 55784), (4456, 48811), (5138, 42332), (6973, 31192), (7798, 27892), (10276, 21166), (10583, 20552), (13946, 15596)]