128566516

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1\times {\mathrm{359}}^1$

素因数の和:544

約数の個数: 48

約数和(自身を含む): 248935680

約数和(自身を除く): 120369164

約数列:

[1, 2, 4, 13, 26, 52, 71, 97, 142, 194, 284, 359, 388, 718, 923, 1261, 1436, 1846, 2522, 3692, 4667, 5044, 6887, 9334, 13774, 18668, 25489, 27548, 34823, 50978, 69646, 89531, 101956, 139292, 179062, 331357, 358124, 452699, 662714, 905398, 1325428, 1810796, 2472433, 4944866, 9889732, 32141629, 64283258, 128566516]

約数ペア:

[(1, 128566516), (2, 64283258), (4, 32141629), (13, 9889732), (26, 4944866), (52, 2472433), (71, 1810796), (97, 1325428), (142, 905398), (194, 662714), (284, 452699), (359, 358124), (388, 331357), (718, 179062), (923, 139292), (1261, 101956), (1436, 89531), (1846, 69646), (2522, 50978), (3692, 34823), (4667, 27548), (5044, 25489), (6887, 18668), (9334, 13774)]