31531136

素因数分解:

$2^7\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2707}}^1$

素因数の和:2741

約数の個数: 64

約数和(自身を含む): 77340480

約数和(自身を除く): 45809344

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 91, 104, 112, 128, 182, 208, 224, 364, 416, 448, 728, 832, 896, 1456, 1664, 2707, 2912, 5414, 5824, 10828, 11648, 18949, 21656, 35191, 37898, 43312, 70382, 75796, 86624, 140764, 151592, 173248, 246337, 281528, 303184, 346496, 492674, 563056, 606368, 985348, 1126112, 1212736, 1970696, 2252224, 2425472, 3941392, 4504448, 7882784, 15765568, 31531136]

約数ペア:

[(1, 31531136), (2, 15765568), (4, 7882784), (7, 4504448), (8, 3941392), (13, 2425472), (14, 2252224), (16, 1970696), (26, 1212736), (28, 1126112), (32, 985348), (52, 606368), (56, 563056), (64, 492674), (91, 346496), (104, 303184), (112, 281528), (128, 246337), (182, 173248), (208, 151592), (224, 140764), (364, 86624), (416, 75796), (448, 70382), (728, 43312), (832, 37898), (896, 35191), (1456, 21656), (1664, 18949), (2707, 11648), (2912, 10828), (5414, 5824)]