71789263

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{449}}^1$

素因数の和:727

約数の個数: 24

約数和(自身を含む): 90493200

約数和(自身を除く): 18703937

約数列:

[1, 7, 13, 49, 91, 251, 449, 637, 1757, 3143, 3263, 5837, 12299, 22001, 22841, 40859, 112699, 159887, 286013, 788893, 1465087, 5522251, 10255609, 71789263]

約数ペア:

[(1, 71789263), (7, 10255609), (13, 5522251), (49, 1465087), (91, 788893), (251, 286013), (449, 159887), (637, 112699), (1757, 40859), (3143, 22841), (3263, 22001), (5837, 12299)]