81684148

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{349}}^1\times {\mathrm{643}}^1$

素因数の和:1016

約数の個数: 48

約数和(自身を含む): 176713600

約数和(自身を除く): 95029452

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 349, 364, 643, 698, 1286, 1396, 2443, 2572, 4501, 4537, 4886, 8359, 9002, 9074, 9772, 16718, 18004, 18148, 31759, 33436, 58513, 63518, 117026, 127036, 224407, 234052, 448814, 897628, 1570849, 2917291, 3141698, 5834582, 6283396, 11669164, 20421037, 40842074, 81684148]

約数ペア:

[(1, 81684148), (2, 40842074), (4, 20421037), (7, 11669164), (13, 6283396), (14, 5834582), (26, 3141698), (28, 2917291), (52, 1570849), (91, 897628), (182, 448814), (349, 234052), (364, 224407), (643, 127036), (698, 117026), (1286, 63518), (1396, 58513), (2443, 33436), (2572, 31759), (4501, 18148), (4537, 18004), (4886, 16718), (8359, 9772), (9002, 9074)]