311964876

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{3061}}^1$

素因数の和:3239

約数の個数: 72

約数和(自身を含む): 835926000

約数和(自身を除く): 523961124

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 149, 171, 228, 298, 342, 447, 596, 684, 894, 1341, 1788, 2682, 2831, 3061, 5364, 5662, 6122, 8493, 9183, 11324, 12244, 16986, 18366, 25479, 27549, 33972, 36732, 50958, 55098, 58159, 101916, 110196, 116318, 174477, 232636, 348954, 456089, 523431, 697908, 912178, 1046862, 1368267, 1824356, 2093724, 2736534, 4104801, 5473068, 8209602, 8665691, 16419204, 17331382, 25997073, 34662764, 51994146, 77991219, 103988292, 155982438, 311964876]

約数ペア:

[(1, 311964876), (2, 155982438), (3, 103988292), (4, 77991219), (6, 51994146), (9, 34662764), (12, 25997073), (18, 17331382), (19, 16419204), (36, 8665691), (38, 8209602), (57, 5473068), (76, 4104801), (114, 2736534), (149, 2093724), (171, 1824356), (228, 1368267), (298, 1046862), (342, 912178), (447, 697908), (596, 523431), (684, 456089), (894, 348954), (1341, 232636), (1788, 174477), (2682, 116318), (2831, 110196), (3061, 101916), (5364, 58159), (5662, 55098), (6122, 50958), (8493, 36732), (9183, 33972), (11324, 27549), (12244, 25479), (16986, 18366)]