1971567104

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{2131}}^1$

素因数の和:2301

約数の個数: 80

約数和(自身を含む): 4274830560

約数和(自身を除く): 2303263456

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 139, 208, 256, 278, 416, 512, 556, 832, 1112, 1664, 1807, 2131, 2224, 3328, 3614, 4262, 4448, 6656, 7228, 8524, 8896, 14456, 17048, 17792, 27703, 28912, 34096, 35584, 55406, 57824, 68192, 71168, 110812, 115648, 136384, 221624, 231296, 272768, 296209, 443248, 462592, 545536, 592418, 886496, 925184, 1091072, 1184836, 1772992, 2369672, 3545984, 3850717, 4739344, 7091968, 7701434, 9478688, 14183936, 15402868, 18957376, 30805736, 37914752, 61611472, 75829504, 123222944, 151659008, 246445888, 492891776, 985783552, 1971567104]

約数ペア:

[(1, 1971567104), (2, 985783552), (4, 492891776), (8, 246445888), (13, 151659008), (16, 123222944), (26, 75829504), (32, 61611472), (52, 37914752), (64, 30805736), (104, 18957376), (128, 15402868), (139, 14183936), (208, 9478688), (256, 7701434), (278, 7091968), (416, 4739344), (512, 3850717), (556, 3545984), (832, 2369672), (1112, 1772992), (1664, 1184836), (1807, 1091072), (2131, 925184), (2224, 886496), (3328, 592418), (3614, 545536), (4262, 462592), (4448, 443248), (6656, 296209), (7228, 272768), (8524, 231296), (8896, 221624), (14456, 136384), (17048, 115648), (17792, 110812), (27703, 71168), (28912, 68192), (34096, 57824), (35584, 55406)]