289018345

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{257}}^1$

素因数の和:430

約数の個数: 64

約数和(自身を含む): 456523776

約数和(自身を除く): 167505431

約数列:

[1, 5, 7, 11, 23, 35, 55, 77, 115, 127, 161, 253, 257, 385, 635, 805, 889, 1265, 1285, 1397, 1771, 1799, 2827, 2921, 4445, 5911, 6985, 8855, 8995, 9779, 14135, 14605, 19789, 20447, 29555, 32131, 32639, 41377, 48895, 65021, 98945, 102235, 160655, 163195, 206885, 224917, 228473, 325105, 359029, 455147, 750697, 1124585, 1142365, 1795145, 2275735, 2513203, 3753485, 5254879, 8257667, 12566015, 26274395, 41288335, 57803669, 289018345]

約数ペア:

[(1, 289018345), (5, 57803669), (7, 41288335), (11, 26274395), (23, 12566015), (35, 8257667), (55, 5254879), (77, 3753485), (115, 2513203), (127, 2275735), (161, 1795145), (253, 1142365), (257, 1124585), (385, 750697), (635, 455147), (805, 359029), (889, 325105), (1265, 228473), (1285, 224917), (1397, 206885), (1771, 163195), (1799, 160655), (2827, 102235), (2921, 98945), (4445, 65021), (5911, 48895), (6985, 41377), (8855, 32639), (8995, 32131), (9779, 29555), (14135, 20447), (14605, 19789)]