26164775

素因数分解:

$5^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1$

素因数の和:121

約数の個数: 72

約数和(自身を含む): 42747264

約数和(自身を除く): 16582489

約数列:

[1, 5, 7, 13, 25, 31, 35, 49, 53, 65, 91, 155, 175, 217, 245, 265, 325, 371, 403, 455, 637, 689, 775, 1085, 1225, 1325, 1519, 1643, 1855, 2015, 2275, 2597, 2821, 3185, 3445, 4823, 5425, 7595, 8215, 9275, 10075, 11501, 12985, 14105, 15925, 17225, 19747, 21359, 24115, 33761, 37975, 41075, 57505, 64925, 70525, 80507, 98735, 106795, 120575, 149513, 168805, 287525, 402535, 493675, 533975, 747565, 844025, 1046591, 2012675, 3737825, 5232955, 26164775]

約数ペア:

[(1, 26164775), (5, 5232955), (7, 3737825), (13, 2012675), (25, 1046591), (31, 844025), (35, 747565), (49, 533975), (53, 493675), (65, 402535), (91, 287525), (155, 168805), (175, 149513), (217, 120575), (245, 106795), (265, 98735), (325, 80507), (371, 70525), (403, 64925), (455, 57505), (637, 41075), (689, 37975), (775, 33761), (1085, 24115), (1225, 21359), (1325, 19747), (1519, 17225), (1643, 15925), (1855, 14105), (2015, 12985), (2275, 11501), (2597, 10075), (2821, 9275), (3185, 8215), (3445, 7595), (4823, 5425)]