201495505

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1\times {\mathrm{211}}^1$

素因数の和:409

約数の個数: 32

約数和(自身を含む): 257412096

約数和(自身を除く): 55916591

約数列:

[1, 5, 31, 61, 101, 155, 211, 305, 505, 1055, 1891, 3131, 6161, 6541, 9455, 12871, 15655, 21311, 30805, 32705, 64355, 106555, 190991, 399001, 660641, 954955, 1299971, 1995005, 3303205, 6499855, 40299101, 201495505]

約数ペア:

[(1, 201495505), (5, 40299101), (31, 6499855), (61, 3303205), (101, 1995005), (155, 1299971), (211, 954955), (305, 660641), (505, 399001), (1055, 190991), (1891, 106555), (3131, 64355), (6161, 32705), (6541, 30805), (9455, 21311), (12871, 15655)]