201639430

素因数分解:

$2^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{181}}^1\times {\mathrm{1103}}^1$

素因数の和:1392

約数の個数: 32

約数和(自身を含む): 368903808

約数和(自身を除く): 167264378

約数列:

[1, 2, 5, 10, 101, 181, 202, 362, 505, 905, 1010, 1103, 1810, 2206, 5515, 11030, 18281, 36562, 91405, 111403, 182810, 199643, 222806, 399286, 557015, 998215, 1114030, 1996430, 20163943, 40327886, 100819715, 201639430]

約数ペア:

[(1, 201639430), (2, 100819715), (5, 40327886), (10, 20163943), (101, 1996430), (181, 1114030), (202, 998215), (362, 557015), (505, 399286), (905, 222806), (1010, 199643), (1103, 182810), (1810, 111403), (2206, 91405), (5515, 36562), (11030, 18281)]