28688590

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{173}}^1$

素因数の和:313

約数の個数: 64

約数和(自身を含む): 62539776

約数和(自身を除く): 33851186

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 70, 103, 115, 161, 173, 206, 230, 322, 346, 515, 721, 805, 865, 1030, 1211, 1442, 1610, 1730, 2369, 2422, 3605, 3979, 4738, 6055, 7210, 7958, 11845, 12110, 16583, 17819, 19895, 23690, 27853, 33166, 35638, 39790, 55706, 82915, 89095, 124733, 139265, 165830, 178190, 249466, 278530, 409837, 623665, 819674, 1247330, 2049185, 2868859, 4098370, 5737718, 14344295, 28688590]

約数ペア:

[(1, 28688590), (2, 14344295), (5, 5737718), (7, 4098370), (10, 2868859), (14, 2049185), (23, 1247330), (35, 819674), (46, 623665), (70, 409837), (103, 278530), (115, 249466), (161, 178190), (173, 165830), (206, 139265), (230, 124733), (322, 89095), (346, 82915), (515, 55706), (721, 39790), (805, 35638), (865, 33166), (1030, 27853), (1211, 23690), (1442, 19895), (1610, 17819), (1730, 16583), (2369, 12110), (2422, 11845), (3605, 7958), (3979, 7210), (4738, 6055)]