78471952

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{349}}^1$

素因数の和:440

約数の個数: 80

約数和(自身を含む): 174988800

約数和(自身を除く): 96516848

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 46, 47, 52, 92, 94, 104, 184, 188, 208, 299, 349, 368, 376, 598, 611, 698, 752, 1081, 1196, 1222, 1396, 2162, 2392, 2444, 2792, 4324, 4537, 4784, 4888, 5584, 8027, 8648, 9074, 9776, 14053, 16054, 16403, 17296, 18148, 28106, 32108, 32806, 36296, 56212, 64216, 65612, 72592, 104351, 112424, 128432, 131224, 208702, 213239, 224848, 262448, 377269, 417404, 426478, 754538, 834808, 852956, 1509076, 1669616, 1705912, 3018152, 3411824, 4904497, 6036304, 9808994, 19617988, 39235976, 78471952]

約数ペア:

[(1, 78471952), (2, 39235976), (4, 19617988), (8, 9808994), (13, 6036304), (16, 4904497), (23, 3411824), (26, 3018152), (46, 1705912), (47, 1669616), (52, 1509076), (92, 852956), (94, 834808), (104, 754538), (184, 426478), (188, 417404), (208, 377269), (299, 262448), (349, 224848), (368, 213239), (376, 208702), (598, 131224), (611, 128432), (698, 112424), (752, 104351), (1081, 72592), (1196, 65612), (1222, 64216), (1396, 56212), (2162, 36296), (2392, 32806), (2444, 32108), (2792, 28106), (4324, 18148), (4537, 17296), (4784, 16403), (4888, 16054), (5584, 14053), (8027, 9776), (8648, 9074)]