1969131890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{778313}}^1$

素因数の和:778354

約数の個数: 32

約数和(自身を含む): 4034779776

約数和(自身を除く): 2065647886

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 110, 115, 230, 253, 506, 1265, 2530, 778313, 1556626, 3891565, 7783130, 8561443, 17122886, 17901199, 35802398, 42807215, 85614430, 89505995, 179011990, 196913189, 393826378, 984565945, 1969131890]

約数ペア:

[(1, 1969131890), (2, 984565945), (5, 393826378), (10, 196913189), (11, 179011990), (22, 89505995), (23, 85614430), (46, 42807215), (55, 35802398), (110, 17901199), (115, 17122886), (230, 8561443), (253, 7783130), (506, 3891565), (1265, 1556626), (2530, 778313)]