638379214

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^2\times {\mathrm{2887}}^1$

素因数の和:2965

約数の個数: 48

約数和(自身を含む): 1149886080

約数和(自身を除く): 511506866

約数列:

[1, 2, 11, 19, 22, 23, 38, 46, 209, 253, 418, 437, 506, 529, 874, 1058, 2887, 4807, 5774, 5819, 9614, 10051, 11638, 20102, 31757, 54853, 63514, 66401, 109706, 110561, 132802, 221122, 603383, 730411, 1206766, 1261619, 1460822, 1527223, 2523238, 3054446, 13877809, 16799453, 27755618, 29017237, 33598906, 58034474, 319189607, 638379214]

約数ペア:

[(1, 638379214), (2, 319189607), (11, 58034474), (19, 33598906), (22, 29017237), (23, 27755618), (38, 16799453), (46, 13877809), (209, 3054446), (253, 2523238), (418, 1527223), (437, 1460822), (506, 1261619), (529, 1206766), (874, 730411), (1058, 603383), (2887, 221122), (4807, 132802), (5774, 110561), (5819, 109706), (9614, 66401), (10051, 63514), (11638, 54853), (20102, 31757)]