196976015

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{251}}^1$

素因数の和:431

約数の個数: 32

約数和(自身を含む): 251983872

約数和(自身を除く): 55007857

約数列:

[1, 5, 31, 61, 83, 155, 251, 305, 415, 1255, 1891, 2573, 5063, 7781, 9455, 12865, 15311, 20833, 25315, 38905, 76555, 104165, 156953, 474641, 645823, 784765, 1270813, 2373205, 3229115, 6354065, 39395203, 196976015]

約数ペア:

[(1, 196976015), (5, 39395203), (31, 6354065), (61, 3229115), (83, 2373205), (155, 1270813), (251, 784765), (305, 645823), (415, 474641), (1255, 156953), (1891, 104165), (2573, 76555), (5063, 38905), (7781, 25315), (9455, 20833), (12865, 15311)]