85697885

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{431}}^1$

素因数の和:498

約数の個数: 64

約数和(自身を含む): 139345920

約数和(自身を除く): 53648035

約数列:

[1, 5, 7, 13, 19, 23, 35, 65, 91, 95, 115, 133, 161, 247, 299, 431, 437, 455, 665, 805, 1235, 1495, 1729, 2093, 2155, 2185, 3017, 3059, 5603, 5681, 8189, 8645, 9913, 10465, 15085, 15295, 28015, 28405, 39221, 39767, 40945, 49565, 57323, 69391, 106457, 128869, 188347, 196105, 198835, 286615, 346955, 532285, 644345, 745199, 902083, 941735, 1318429, 2448511, 3725995, 4510415, 6592145, 12242555, 17139577, 85697885]

約数ペア:

[(1, 85697885), (5, 17139577), (7, 12242555), (13, 6592145), (19, 4510415), (23, 3725995), (35, 2448511), (65, 1318429), (91, 941735), (95, 902083), (115, 745199), (133, 644345), (161, 532285), (247, 346955), (299, 286615), (431, 198835), (437, 196105), (455, 188347), (665, 128869), (805, 106457), (1235, 69391), (1495, 57323), (1729, 49565), (2093, 40945), (2155, 39767), (2185, 39221), (3017, 28405), (3059, 28015), (5603, 15295), (5681, 15085), (8189, 10465), (8645, 9913)]