1281570235

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{751}}^1$

素因数の和:880

約数の個数: 64

約数和(自身を含む): 1871216640

約数和(自身を除く): 589646405

約数列:

[1, 5, 11, 19, 23, 55, 71, 95, 115, 209, 253, 355, 437, 751, 781, 1045, 1265, 1349, 1633, 2185, 3755, 3905, 4807, 6745, 8165, 8261, 14269, 14839, 17273, 17963, 24035, 31027, 41305, 53321, 71345, 74195, 86365, 89815, 155135, 156959, 190003, 266605, 328187, 341297, 586531, 784795, 950015, 1013099, 1226383, 1640935, 1706485, 2932655, 3610057, 5065495, 6131915, 11144089, 13490213, 18050285, 23301277, 55720445, 67451065, 116506385, 256314047, 1281570235]

約数ペア:

[(1, 1281570235), (5, 256314047), (11, 116506385), (19, 67451065), (23, 55720445), (55, 23301277), (71, 18050285), (95, 13490213), (115, 11144089), (209, 6131915), (253, 5065495), (355, 3610057), (437, 2932655), (751, 1706485), (781, 1640935), (1045, 1226383), (1265, 1013099), (1349, 950015), (1633, 784795), (2185, 586531), (3755, 341297), (3905, 328187), (4807, 266605), (6745, 190003), (8165, 156959), (8261, 155135), (14269, 89815), (14839, 86365), (17273, 74195), (17963, 71345), (24035, 53321), (31027, 41305)]