618388030

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{128563}}^1$

素因数の和:128620

約数の個数: 32

約数和(自身を含む): 1231128864

約数和(自身を除く): 612740834

約数列:

[1, 2, 5, 10, 13, 26, 37, 65, 74, 130, 185, 370, 481, 962, 2405, 4810, 128563, 257126, 642815, 1285630, 1671319, 3342638, 4756831, 8356595, 9513662, 16713190, 23784155, 47568310, 61838803, 123677606, 309194015, 618388030]

約数ペア:

[(1, 618388030), (2, 309194015), (5, 123677606), (10, 61838803), (13, 47568310), (26, 23784155), (37, 16713190), (65, 9513662), (74, 8356595), (130, 4756831), (185, 3342638), (370, 1671319), (481, 1285630), (962, 642815), (2405, 257126), (4810, 128563)]