2558409584

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{81707}}^1$

素因数の和:81837

約数の個数: 40

約数和(自身を含む): 5268531840

約数和(自身を除く): 2710122256

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 103, 152, 206, 304, 412, 824, 1648, 1957, 3914, 7828, 15656, 31312, 81707, 163414, 326828, 653656, 1307312, 1552433, 3104866, 6209732, 8415821, 12419464, 16831642, 24838928, 33663284, 67326568, 134653136, 159900599, 319801198, 639602396, 1279204792, 2558409584]

約数ペア:

[(1, 2558409584), (2, 1279204792), (4, 639602396), (8, 319801198), (16, 159900599), (19, 134653136), (38, 67326568), (76, 33663284), (103, 24838928), (152, 16831642), (206, 12419464), (304, 8415821), (412, 6209732), (824, 3104866), (1648, 1552433), (1957, 1307312), (3914, 653656), (7828, 326828), (15656, 163414), (31312, 81707)]