31248490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1493}}^1$

素因数の和:1543

約数の個数: 64

約数和(自身を含む): 72285696

約数和(自身を除く): 41037206

約数列:

[1, 2, 5, 7, 10, 13, 14, 23, 26, 35, 46, 65, 70, 91, 115, 130, 161, 182, 230, 299, 322, 455, 598, 805, 910, 1493, 1495, 1610, 2093, 2986, 2990, 4186, 7465, 10451, 10465, 14930, 19409, 20902, 20930, 34339, 38818, 52255, 68678, 97045, 104510, 135863, 171695, 194090, 240373, 271726, 343390, 446407, 480746, 679315, 892814, 1201865, 1358630, 2232035, 2403730, 3124849, 4464070, 6249698, 15624245, 31248490]

約数ペア:

[(1, 31248490), (2, 15624245), (5, 6249698), (7, 4464070), (10, 3124849), (13, 2403730), (14, 2232035), (23, 1358630), (26, 1201865), (35, 892814), (46, 679315), (65, 480746), (70, 446407), (91, 343390), (115, 271726), (130, 240373), (161, 194090), (182, 171695), (230, 135863), (299, 104510), (322, 97045), (455, 68678), (598, 52255), (805, 38818), (910, 34339), (1493, 20930), (1495, 20902), (1610, 19409), (2093, 14930), (2986, 10465), (2990, 10451), (4186, 7465)]