643563844

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{9629}}^1$

素因数の和:9689

約数の個数: 72

約数和(自身を含む): 1475470080

約数和(自身を除く): 831906236

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 31, 44, 49, 62, 77, 98, 124, 154, 196, 217, 308, 341, 434, 539, 682, 868, 1078, 1364, 1519, 2156, 2387, 3038, 4774, 6076, 9548, 9629, 16709, 19258, 33418, 38516, 66836, 67403, 105919, 134806, 211838, 269612, 298499, 423676, 471821, 596998, 741433, 943642, 1193996, 1482866, 1887284, 2089493, 2965732, 3283489, 4178986, 5190031, 6566978, 8357972, 10380062, 13133956, 14626451, 20760124, 22984423, 29252902, 45968846, 58505804, 91937692, 160890961, 321781922, 643563844]

約数ペア:

[(1, 643563844), (2, 321781922), (4, 160890961), (7, 91937692), (11, 58505804), (14, 45968846), (22, 29252902), (28, 22984423), (31, 20760124), (44, 14626451), (49, 13133956), (62, 10380062), (77, 8357972), (98, 6566978), (124, 5190031), (154, 4178986), (196, 3283489), (217, 2965732), (308, 2089493), (341, 1887284), (434, 1482866), (539, 1193996), (682, 943642), (868, 741433), (1078, 596998), (1364, 471821), (1519, 423676), (2156, 298499), (2387, 269612), (3038, 211838), (4774, 134806), (6076, 105919), (9548, 67403), (9629, 66836), (16709, 38516), (19258, 33418)]