71231290

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{251}}^1$

素因数の和:367

約数の個数: 64

約数和(自身を含む): 144789120

約数和(自身を除く): 73557830

約数列:

[1, 2, 5, 10, 13, 26, 37, 59, 65, 74, 118, 130, 185, 251, 295, 370, 481, 502, 590, 767, 962, 1255, 1534, 2183, 2405, 2510, 3263, 3835, 4366, 4810, 6526, 7670, 9287, 10915, 14809, 16315, 18574, 21830, 28379, 29618, 32630, 46435, 56758, 74045, 92870, 120731, 141895, 148090, 192517, 241462, 283790, 385034, 547933, 603655, 962585, 1095866, 1207310, 1925170, 2739665, 5479330, 7123129, 14246258, 35615645, 71231290]

約数ペア:

[(1, 71231290), (2, 35615645), (5, 14246258), (10, 7123129), (13, 5479330), (26, 2739665), (37, 1925170), (59, 1207310), (65, 1095866), (74, 962585), (118, 603655), (130, 547933), (185, 385034), (251, 283790), (295, 241462), (370, 192517), (481, 148090), (502, 141895), (590, 120731), (767, 92870), (962, 74045), (1255, 56758), (1534, 46435), (2183, 32630), (2405, 29618), (2510, 28379), (3263, 21830), (3835, 18574), (4366, 16315), (4810, 14809), (6526, 10915), (7670, 9287)]