77420468

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1$

素因数の和:312

約数の個数: 48

約数和(自身を含む): 144824064

約数和(自身を除く): 67403596

約数列:

[1, 2, 4, 43, 47, 61, 86, 94, 122, 157, 172, 188, 244, 314, 628, 2021, 2623, 2867, 4042, 5246, 5734, 6751, 7379, 8084, 9577, 10492, 11468, 13502, 14758, 19154, 27004, 29516, 38308, 123281, 246562, 317297, 411811, 450119, 493124, 634594, 823622, 900238, 1269188, 1647244, 1800476, 19355117, 38710234, 77420468]

約数ペア:

[(1, 77420468), (2, 38710234), (4, 19355117), (43, 1800476), (47, 1647244), (61, 1269188), (86, 900238), (94, 823622), (122, 634594), (157, 493124), (172, 450119), (188, 411811), (244, 317297), (314, 246562), (628, 123281), (2021, 38308), (2623, 29516), (2867, 27004), (4042, 19154), (5246, 14758), (5734, 13502), (6751, 11468), (7379, 10492), (8084, 9577)]