285985.0000000

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{241}}^1$

素因数の和:347

約数の個数: 48

約数和(自身を含む): 17929296

約数和(自身を除く): 9608048

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 83, 104, 166, 208, 241, 332, 416, 482, 664, 964, 1079, 1328, 1928, 2158, 2656, 3133, 3856, 4316, 6266, 7712, 8632, 12532, 17264, 20003, 25064, 34528, 40006, 50128, 80012, 100256, 160024, 260039, 320048, 520078, 640096, 1040156, 2080312, 4160624, 8321248]

約数ペア:

[(1, 8321248), (2, 4160624), (4, 2080312), (8, 1040156), (13, 640096), (16, 520078), (26, 320048), (32, 260039), (52, 160024), (83, 100256), (104, 80012), (166, 50128), (208, 40006), (241, 34528), (332, 25064), (416, 20003), (482, 17264), (664, 12532), (964, 8632), (1079, 7712), (1328, 6266), (1928, 4316), (2158, 3856), (2656, 3133)]