1289576943980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4919}}^1\times {\mathrm{1008317}}^1$

素因数の和:1013258

約数の個数: 48

約数和(自身を含む): 2917023641280

約数和(自身を除く): 1627446697300

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 4919, 9838, 19676, 24595, 49190, 63947, 98380, 127894, 255788, 319735, 639470, 1008317, 1278940, 2016634, 4033268, 5041585, 10083170, 13108121, 20166340, 26216242, 52432484, 65540605, 131081210, 262162420, 4959911323, 9919822646, 19839645292, 24799556615, 49599113230, 64478847199, 99198226460, 128957694398, 257915388796, 322394235995, 644788471990, 1289576943980]

約数ペア:

[(1, 1289576943980), (2, 644788471990), (4, 322394235995), (5, 257915388796), (10, 128957694398), (13, 99198226460), (20, 64478847199), (26, 49599113230), (52, 24799556615), (65, 19839645292), (130, 9919822646), (260, 4959911323), (4919, 262162420), (9838, 131081210), (19676, 65540605), (24595, 52432484), (49190, 26216242), (63947, 20166340), (98380, 13108121), (127894, 10083170), (255788, 5041585), (319735, 4033268), (639470, 2016634), (1008317, 1278940)]