257834863715

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{397}}^1\times {\mathrm{47807}}^1$

素因数の和:48252

約数の個数: 64

約数和(自身を含む): 383596093440

約数和(自身を除く): 125761229725

約数列:

[1, 5, 11, 13, 19, 55, 65, 95, 143, 209, 247, 397, 715, 1045, 1235, 1985, 2717, 4367, 5161, 7543, 13585, 21835, 25805, 37715, 47807, 56771, 82973, 98059, 239035, 283855, 414865, 490295, 525877, 621491, 908333, 1078649, 2629385, 3107455, 4541665, 5393245, 6836401, 9991663, 11808329, 18979379, 34182005, 49958315, 59041645, 94896895, 129891619, 208773169, 246731927, 360608201, 649458095, 1043865845, 1233659635, 1803041005, 2714051197, 3966690211, 4687906613, 13570255985, 19833451055, 23439533065, 51566972743, 257834863715]

約数ペア:

[(1, 257834863715), (5, 51566972743), (11, 23439533065), (13, 19833451055), (19, 13570255985), (55, 4687906613), (65, 3966690211), (95, 2714051197), (143, 1803041005), (209, 1233659635), (247, 1043865845), (397, 649458095), (715, 360608201), (1045, 246731927), (1235, 208773169), (1985, 129891619), (2717, 94896895), (4367, 59041645), (5161, 49958315), (7543, 34182005), (13585, 18979379), (21835, 11808329), (25805, 9991663), (37715, 6836401), (47807, 5393245), (56771, 4541665), (82973, 3107455), (98059, 2629385), (239035, 1078649), (283855, 908333), (414865, 621491), (490295, 525877)]