198835790

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1\times {\mathrm{1423}}^1$

素因数の和:1676

約数の個数: 32

約数和(自身を含む): 364487040

約数和(自身を除く): 165651250

約数列:

[1, 2, 5, 10, 89, 157, 178, 314, 445, 785, 890, 1423, 1570, 2846, 7115, 13973, 14230, 27946, 69865, 126647, 139730, 223411, 253294, 446822, 633235, 1117055, 1266470, 2234110, 19883579, 39767158, 99417895, 198835790]

約数ペア:

[(1, 198835790), (2, 99417895), (5, 39767158), (10, 19883579), (89, 2234110), (157, 1266470), (178, 1117055), (314, 633235), (445, 446822), (785, 253294), (890, 223411), (1423, 139730), (1570, 126647), (2846, 69865), (7115, 27946), (13973, 14230)]