201398995

素因数分解:

$5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{191}}^1\times {\mathrm{641}}^1$

素因数の和:891

約数の個数: 32

約数和(自身を含む): 284000256

約数和(自身を除く): 82601261

約数列:

[1, 5, 7, 35, 47, 191, 235, 329, 641, 955, 1337, 1645, 3205, 4487, 6685, 8977, 22435, 30127, 44885, 62839, 122431, 150635, 210889, 314195, 612155, 857017, 1054445, 4285085, 5754257, 28771285, 40279799, 201398995]

約数ペア:

[(1, 201398995), (5, 40279799), (7, 28771285), (35, 5754257), (47, 4285085), (191, 1054445), (235, 857017), (329, 612155), (641, 314195), (955, 210889), (1337, 150635), (1645, 122431), (3205, 62839), (4487, 44885), (6685, 30127), (8977, 22435)]