261601890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{9551}}^1$

素因数の和:9655

約数の個数: 64

約数和(自身を含む): 693245952

約数和(自身を除く): 431644062

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 83, 110, 165, 166, 249, 330, 415, 498, 830, 913, 1245, 1826, 2490, 2739, 4565, 5478, 9130, 9551, 13695, 19102, 27390, 28653, 47755, 57306, 95510, 105061, 143265, 210122, 286530, 315183, 525305, 630366, 792733, 1050610, 1575915, 1585466, 2378199, 3151830, 3963665, 4756398, 7927330, 8720063, 11890995, 17440126, 23781990, 26160189, 43600315, 52320378, 87200630, 130800945, 261601890]

約数ペア:

[(1, 261601890), (2, 130800945), (3, 87200630), (5, 52320378), (6, 43600315), (10, 26160189), (11, 23781990), (15, 17440126), (22, 11890995), (30, 8720063), (33, 7927330), (55, 4756398), (66, 3963665), (83, 3151830), (110, 2378199), (165, 1585466), (166, 1575915), (249, 1050610), (330, 792733), (415, 630366), (498, 525305), (830, 315183), (913, 286530), (1245, 210122), (1826, 143265), (2490, 105061), (2739, 95510), (4565, 57306), (5478, 47755), (9130, 28653), (9551, 27390), (13695, 19102)]