83876975

素因数分解:

$5^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{229}}^1$

素因数の和:289

約数の個数: 72

約数和(自身を含む): 136553760

約数和(自身を除く): 52676785

約数列:

[1, 5, 7, 13, 23, 25, 35, 49, 65, 91, 115, 161, 175, 229, 245, 299, 325, 455, 575, 637, 805, 1127, 1145, 1225, 1495, 1603, 2093, 2275, 2977, 3185, 4025, 5267, 5635, 5725, 7475, 8015, 10465, 11221, 14651, 14885, 15925, 20839, 26335, 28175, 36869, 40075, 52325, 56105, 68471, 73255, 74425, 104195, 131675, 145873, 184345, 258083, 280525, 342355, 366275, 479297, 520975, 729365, 921725, 1290415, 1711775, 2396485, 3355079, 3646825, 6452075, 11982425, 16775395, 83876975]

約数ペア:

[(1, 83876975), (5, 16775395), (7, 11982425), (13, 6452075), (23, 3646825), (25, 3355079), (35, 2396485), (49, 1711775), (65, 1290415), (91, 921725), (115, 729365), (161, 520975), (175, 479297), (229, 366275), (245, 342355), (299, 280525), (325, 258083), (455, 184345), (575, 145873), (637, 131675), (805, 104195), (1127, 74425), (1145, 73255), (1225, 68471), (1495, 56105), (1603, 52325), (2093, 40075), (2275, 36869), (2977, 28175), (3185, 26335), (4025, 20839), (5267, 15925), (5635, 14885), (5725, 14651), (7475, 11221), (8015, 10465)]