28190556

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{631}}^1$

素因数の和:731

約数の個数: 72

約数和(自身を含む): 76605984

約数和(自身を除く): 48415428

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 73, 102, 146, 153, 204, 219, 292, 306, 438, 612, 631, 657, 876, 1241, 1262, 1314, 1893, 2482, 2524, 2628, 3723, 3786, 4964, 5679, 7446, 7572, 10727, 11169, 11358, 14892, 21454, 22338, 22716, 32181, 42908, 44676, 46063, 64362, 92126, 96543, 128724, 138189, 184252, 193086, 276378, 386172, 414567, 552756, 783071, 829134, 1566142, 1658268, 2349213, 3132284, 4698426, 7047639, 9396852, 14095278, 28190556]

約数ペア:

[(1, 28190556), (2, 14095278), (3, 9396852), (4, 7047639), (6, 4698426), (9, 3132284), (12, 2349213), (17, 1658268), (18, 1566142), (34, 829134), (36, 783071), (51, 552756), (68, 414567), (73, 386172), (102, 276378), (146, 193086), (153, 184252), (204, 138189), (219, 128724), (292, 96543), (306, 92126), (438, 64362), (612, 46063), (631, 44676), (657, 42908), (876, 32181), (1241, 22716), (1262, 22338), (1314, 21454), (1893, 14892), (2482, 11358), (2524, 11169), (2628, 10727), (3723, 7572), (3786, 7446), (4964, 5679)]