233521990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{78101}}^1$

素因数の和:78144

約数の個数: 32

約数和(自身を含む): 472360896

約数和(自身を除く): 238838906

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 115, 130, 230, 299, 598, 1495, 2990, 78101, 156202, 390505, 781010, 1015313, 1796323, 2030626, 3592646, 5076565, 8981615, 10153130, 17963230, 23352199, 46704398, 116760995, 233521990]

約数ペア:

[(1, 233521990), (2, 116760995), (5, 46704398), (10, 23352199), (13, 17963230), (23, 10153130), (26, 8981615), (46, 5076565), (65, 3592646), (115, 2030626), (130, 1796323), (230, 1015313), (299, 781010), (598, 390505), (1495, 156202), (2990, 78101)]