905640065

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^2\times {\mathrm{1831}}^1$

素因数の和:1910

約数の個数: 48

約数和(自身を含む): 1312972416

約数和(自身を除く): 407332351

約数列:

[1, 5, 11, 17, 23, 55, 85, 115, 187, 253, 391, 529, 935, 1265, 1831, 1955, 2645, 4301, 5819, 8993, 9155, 20141, 21505, 29095, 31127, 42113, 44965, 98923, 100705, 155635, 210565, 342397, 463243, 494615, 715921, 968599, 1711985, 2316215, 3579605, 4842995, 7875131, 10654589, 16466183, 39375655, 53272945, 82330915, 181128013, 905640065]

約数ペア:

[(1, 905640065), (5, 181128013), (11, 82330915), (17, 53272945), (23, 39375655), (55, 16466183), (85, 10654589), (115, 7875131), (187, 4842995), (253, 3579605), (391, 2316215), (529, 1711985), (935, 968599), (1265, 715921), (1831, 494615), (1955, 463243), (2645, 342397), (4301, 210565), (5819, 155635), (8993, 100705), (9155, 98923), (20141, 44965), (21505, 42113), (29095, 31127)]