131378208

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{199}}^1$

素因数の和:271

約数の個数: 144

約数和(自身を含む): 390196800

約数和(自身を除く): 258818592

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 23, 24, 26, 32, 39, 46, 48, 52, 69, 78, 92, 96, 104, 138, 156, 184, 199, 208, 276, 299, 312, 368, 398, 416, 529, 552, 597, 598, 624, 736, 796, 897, 1058, 1104, 1194, 1196, 1248, 1587, 1592, 1794, 2116, 2208, 2388, 2392, 2587, 3174, 3184, 3588, 4232, 4577, 4776, 4784, 5174, 6348, 6368, 6877, 7176, 7761, 8464, 9154, 9552, 9568, 10348, 12696, 13731, 13754, 14352, 15522, 16928, 18308, 19104, 20631, 20696, 25392, 27462, 27508, 28704, 31044, 36616, 41262, 41392, 50784, 54924, 55016, 59501, 62088, 73232, 82524, 82784, 105271, 109848, 110032, 119002, 124176, 146464, 165048, 178503, 210542, 219696, 220064, 238004, 248352, 315813, 330096, 357006, 421084, 439392, 476008, 631626, 660192, 714012, 842168, 952016, 1263252, 1368523, 1428024, 1684336, 1904032, 2526504, 2737046, 2856048, 3368672, 4105569, 5053008, 5474092, 5712096, 8211138, 10106016, 10948184, 16422276, 21896368, 32844552, 43792736, 65689104, 131378208]

約数ペア:

[(1, 131378208), (2, 65689104), (3, 43792736), (4, 32844552), (6, 21896368), (8, 16422276), (12, 10948184), (13, 10106016), (16, 8211138), (23, 5712096), (24, 5474092), (26, 5053008), (32, 4105569), (39, 3368672), (46, 2856048), (48, 2737046), (52, 2526504), (69, 1904032), (78, 1684336), (92, 1428024), (96, 1368523), (104, 1263252), (138, 952016), (156, 842168), (184, 714012), (199, 660192), (208, 631626), (276, 476008), (299, 439392), (312, 421084), (368, 357006), (398, 330096), (416, 315813), (529, 248352), (552, 238004), (597, 220064), (598, 219696), (624, 210542), (736, 178503), (796, 165048), (897, 146464), (1058, 124176), (1104, 119002), (1194, 110032), (1196, 109848), (1248, 105271), (1587, 82784), (1592, 82524), (1794, 73232), (2116, 62088), (2208, 59501), (2388, 55016), (2392, 54924), (2587, 50784), (3174, 41392), (3184, 41262), (3588, 36616), (4232, 31044), (4577, 28704), (4776, 27508), (4784, 27462), (5174, 25392), (6348, 20696), (6368, 20631), (6877, 19104), (7176, 18308), (7761, 16928), (8464, 15522), (9154, 14352), (9552, 13754), (9568, 13731), (10348, 12696)]