1388432955

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^2\times {\mathrm{743}}^1$

素因数の和:845

約数の個数: 96

約数和(自身を含む): 2813819904

約数和(自身を除く): 1425386949

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 37, 39, 65, 91, 105, 111, 185, 195, 259, 273, 455, 481, 555, 743, 777, 1295, 1365, 1369, 1443, 2229, 2405, 3367, 3715, 3885, 4107, 5201, 6845, 7215, 9583, 9659, 10101, 11145, 15603, 16835, 17797, 20535, 26005, 27491, 28749, 28977, 47915, 48295, 50505, 53391, 67613, 78015, 82473, 88985, 124579, 137455, 143745, 144885, 192437, 202839, 266955, 338065, 357383, 373737, 412365, 577311, 622895, 962185, 1014195, 1017167, 1072149, 1786915, 1868685, 2501681, 2886555, 3051501, 5085835, 5360745, 7120169, 7505043, 12508405, 13223171, 15257505, 21360507, 35600845, 37525215, 39669513, 66115855, 92562197, 106802535, 198347565, 277686591, 462810985, 1388432955]

約数ペア:

[(1, 1388432955), (3, 462810985), (5, 277686591), (7, 198347565), (13, 106802535), (15, 92562197), (21, 66115855), (35, 39669513), (37, 37525215), (39, 35600845), (65, 21360507), (91, 15257505), (105, 13223171), (111, 12508405), (185, 7505043), (195, 7120169), (259, 5360745), (273, 5085835), (455, 3051501), (481, 2886555), (555, 2501681), (743, 1868685), (777, 1786915), (1295, 1072149), (1365, 1017167), (1369, 1014195), (1443, 962185), (2229, 622895), (2405, 577311), (3367, 412365), (3715, 373737), (3885, 357383), (4107, 338065), (5201, 266955), (6845, 202839), (7215, 192437), (9583, 144885), (9659, 143745), (10101, 137455), (11145, 124579), (15603, 88985), (16835, 82473), (17797, 78015), (20535, 67613), (26005, 53391), (27491, 50505), (28749, 48295), (28977, 47915)]