16451435

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1$

素因数の和:228

約数の個数: 64

約数和(自身を含む): 28062720

約数和(自身を除く): 11611285

約数列:

[1, 5, 7, 11, 13, 19, 35, 55, 65, 77, 91, 95, 133, 143, 173, 209, 247, 385, 455, 665, 715, 865, 1001, 1045, 1211, 1235, 1463, 1729, 1903, 2249, 2717, 3287, 5005, 6055, 7315, 8645, 9515, 11245, 13321, 13585, 15743, 16435, 19019, 23009, 24739, 36157, 42731, 66605, 78715, 95095, 115045, 123695, 173173, 180785, 213655, 253099, 299117, 470041, 865865, 1265495, 1495585, 2350205, 3290287, 16451435]

約数ペア:

[(1, 16451435), (5, 3290287), (7, 2350205), (11, 1495585), (13, 1265495), (19, 865865), (35, 470041), (55, 299117), (65, 253099), (77, 213655), (91, 180785), (95, 173173), (133, 123695), (143, 115045), (173, 95095), (209, 78715), (247, 66605), (385, 42731), (455, 36157), (665, 24739), (715, 23009), (865, 19019), (1001, 16435), (1045, 15743), (1211, 13585), (1235, 13321), (1463, 11245), (1729, 9515), (1903, 8645), (2249, 7315), (2717, 6055), (3287, 5005)]