390968529

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{373}}^1$

素因数の和:510

約数の個数: 64

約数和(自身を含む): 654888960

約数和(自身を除く): 263920431

約数列:

[1, 3, 7, 19, 21, 37, 57, 71, 111, 133, 213, 259, 373, 399, 497, 703, 777, 1119, 1349, 1491, 2109, 2611, 2627, 4047, 4921, 7087, 7833, 7881, 9443, 13801, 14763, 18389, 21261, 26483, 28329, 41403, 49609, 49913, 55167, 79449, 96607, 148827, 149739, 185381, 262219, 289821, 349391, 503177, 556143, 786657, 979871, 1048173, 1509531, 1835533, 2939613, 3522239, 5506599, 6859097, 10566717, 18617549, 20577291, 55852647, 130322843, 390968529]

約数ペア:

[(1, 390968529), (3, 130322843), (7, 55852647), (19, 20577291), (21, 18617549), (37, 10566717), (57, 6859097), (71, 5506599), (111, 3522239), (133, 2939613), (213, 1835533), (259, 1509531), (373, 1048173), (399, 979871), (497, 786657), (703, 556143), (777, 503177), (1119, 349391), (1349, 289821), (1491, 262219), (2109, 185381), (2611, 149739), (2627, 148827), (4047, 96607), (4921, 79449), (7087, 55167), (7833, 49913), (7881, 49609), (9443, 41403), (13801, 28329), (14763, 26483), (18389, 21261)]