67647664

素因数分解:

$2^4\times 7^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1$

素因数の和:314

約数の個数: 80

約数和(自身を含む): 155990016

約数和(自身を除く): 88342352

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 47, 56, 71, 94, 112, 142, 181, 188, 284, 329, 362, 376, 497, 568, 658, 724, 752, 994, 1136, 1267, 1316, 1448, 1988, 2534, 2632, 2896, 3337, 3976, 5068, 5264, 6674, 7952, 8507, 10136, 12851, 13348, 17014, 20272, 23359, 25702, 26696, 34028, 46718, 51404, 53392, 59549, 68056, 89957, 93436, 102808, 119098, 136112, 179914, 186872, 205616, 238196, 359828, 373744, 476392, 603997, 719656, 952784, 1207994, 1439312, 2415988, 4227979, 4831976, 8455958, 9663952, 16911916, 33823832, 67647664]

約数ペア:

[(1, 67647664), (2, 33823832), (4, 16911916), (7, 9663952), (8, 8455958), (14, 4831976), (16, 4227979), (28, 2415988), (47, 1439312), (56, 1207994), (71, 952784), (94, 719656), (112, 603997), (142, 476392), (181, 373744), (188, 359828), (284, 238196), (329, 205616), (362, 186872), (376, 179914), (497, 136112), (568, 119098), (658, 102808), (724, 93436), (752, 89957), (994, 68056), (1136, 59549), (1267, 53392), (1316, 51404), (1448, 46718), (1988, 34028), (2534, 26696), (2632, 25702), (2896, 23359), (3337, 20272), (3976, 17014), (5068, 13348), (5264, 12851), (6674, 10136), (7952, 8507)]