71720896

素因数分解:

$2^6\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{349}}^1$

素因数の和:406

約数の個数: 84

約数和(自身を含む): 162687000

約数和(自身を除く): 90966104

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 64, 76, 104, 152, 169, 208, 247, 304, 338, 349, 416, 494, 608, 676, 698, 832, 988, 1216, 1352, 1396, 1976, 2704, 2792, 3211, 3952, 4537, 5408, 5584, 6422, 6631, 7904, 9074, 10816, 11168, 12844, 13262, 15808, 18148, 22336, 25688, 26524, 36296, 51376, 53048, 58981, 72592, 86203, 102752, 106096, 117962, 145184, 172406, 205504, 212192, 235924, 290368, 344812, 424384, 471848, 689624, 943696, 1120639, 1379248, 1887392, 2241278, 2758496, 3774784, 4482556, 5516992, 8965112, 17930224, 35860448, 71720896]

約数ペア:

[(1, 71720896), (2, 35860448), (4, 17930224), (8, 8965112), (13, 5516992), (16, 4482556), (19, 3774784), (26, 2758496), (32, 2241278), (38, 1887392), (52, 1379248), (64, 1120639), (76, 943696), (104, 689624), (152, 471848), (169, 424384), (208, 344812), (247, 290368), (304, 235924), (338, 212192), (349, 205504), (416, 172406), (494, 145184), (608, 117962), (676, 106096), (698, 102752), (832, 86203), (988, 72592), (1216, 58981), (1352, 53048), (1396, 51376), (1976, 36296), (2704, 26524), (2792, 25688), (3211, 22336), (3952, 18148), (4537, 15808), (5408, 13262), (5584, 12844), (6422, 11168), (6631, 10816), (7904, 9074)]