71329895

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{223}}^1$

素因数の和:304

約数の個数: 64

約数和(自身を含む): 114401280

約数和(自身を除く): 43071385

約数列:

[1, 5, 7, 13, 19, 35, 37, 65, 91, 95, 133, 185, 223, 247, 259, 455, 481, 665, 703, 1115, 1235, 1295, 1561, 1729, 2405, 2899, 3367, 3515, 4237, 4921, 7805, 8251, 8645, 9139, 14495, 16835, 20293, 21185, 24605, 29659, 41255, 45695, 55081, 57757, 63973, 101465, 107263, 148295, 156769, 275405, 288785, 319865, 385567, 536315, 750841, 783845, 1097383, 1927835, 2037997, 3754205, 5486915, 10189985, 14265979, 71329895]

約数ペア:

[(1, 71329895), (5, 14265979), (7, 10189985), (13, 5486915), (19, 3754205), (35, 2037997), (37, 1927835), (65, 1097383), (91, 783845), (95, 750841), (133, 536315), (185, 385567), (223, 319865), (247, 288785), (259, 275405), (455, 156769), (481, 148295), (665, 107263), (703, 101465), (1115, 63973), (1235, 57757), (1295, 55081), (1561, 45695), (1729, 41255), (2405, 29659), (2899, 24605), (3367, 21185), (3515, 20293), (4237, 16835), (4921, 14495), (7805, 9139), (8251, 8645)]