90861155

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{331}}^1$

素因数の和:408

約数の個数: 64

約数和(自身を含む): 146866176

約数和(自身を除く): 56005021

約数列:

[1, 5, 7, 11, 23, 31, 35, 55, 77, 115, 155, 161, 217, 253, 331, 341, 385, 713, 805, 1085, 1265, 1655, 1705, 1771, 2317, 2387, 3565, 3641, 4991, 7613, 7843, 8855, 10261, 11585, 11935, 18205, 24955, 25487, 38065, 39215, 51305, 53291, 54901, 71827, 83743, 112871, 127435, 236003, 266455, 274505, 359135, 418715, 564355, 586201, 790097, 1180015, 1652021, 2596033, 2931005, 3950485, 8260105, 12980165, 18172231, 90861155]

約数ペア:

[(1, 90861155), (5, 18172231), (7, 12980165), (11, 8260105), (23, 3950485), (31, 2931005), (35, 2596033), (55, 1652021), (77, 1180015), (115, 790097), (155, 586201), (161, 564355), (217, 418715), (253, 359135), (331, 274505), (341, 266455), (385, 236003), (713, 127435), (805, 112871), (1085, 83743), (1265, 71827), (1655, 54901), (1705, 53291), (1771, 51305), (2317, 39215), (2387, 38065), (3565, 25487), (3641, 24955), (4991, 18205), (7613, 11935), (7843, 11585), (8855, 10261)]