51717151975

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{31}}^2\times {\mathrm{173}}^1\times {\mathrm{541}}^1$

素因数の和:809

約数の個数: 72

約数和(自身を含む): 69673995936

約数和(自身を除く): 17956843961

約数列:

[1, 5, 23, 25, 31, 115, 155, 173, 541, 575, 713, 775, 865, 961, 2705, 3565, 3979, 4325, 4805, 5363, 12443, 13525, 16771, 17825, 19895, 22103, 24025, 26815, 62215, 83855, 93593, 99475, 110515, 123349, 134075, 166253, 311075, 385733, 419275, 467965, 519901, 552575, 616745, 831265, 1928665, 2152639, 2339825, 2599505, 2901383, 3083725, 3823819, 4156325, 9643325, 10763195, 11957723, 12997525, 14506915, 19119095, 53815975, 59788615, 66731809, 72534575, 89942873, 95595475, 298943075, 333659045, 449714365, 1668295225, 2068686079, 2248571825, 10343430395, 51717151975]

約数ペア:

[(1, 51717151975), (5, 10343430395), (23, 2248571825), (25, 2068686079), (31, 1668295225), (115, 449714365), (155, 333659045), (173, 298943075), (541, 95595475), (575, 89942873), (713, 72534575), (775, 66731809), (865, 59788615), (961, 53815975), (2705, 19119095), (3565, 14506915), (3979, 12997525), (4325, 11957723), (4805, 10763195), (5363, 9643325), (12443, 4156325), (13525, 3823819), (16771, 3083725), (17825, 2901383), (19895, 2599505), (22103, 2339825), (24025, 2152639), (26815, 1928665), (62215, 831265), (83855, 616745), (93593, 552575), (99475, 519901), (110515, 467965), (123349, 419275), (134075, 385733), (166253, 311075)]