42770455

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1$

素因数の和:176

約数の個数: 64

約数和(自身を含む): 67995648

約数和(自身を除く): 25225193

約数列:

[1, 5, 7, 13, 23, 35, 61, 65, 67, 91, 115, 161, 299, 305, 335, 427, 455, 469, 793, 805, 871, 1403, 1495, 1541, 2093, 2135, 2345, 3965, 4087, 4355, 5551, 6097, 7015, 7705, 9821, 10465, 10787, 18239, 20033, 20435, 27755, 28609, 30485, 49105, 53131, 53935, 91195, 94001, 100165, 127673, 140231, 143045, 265655, 371917, 470005, 638365, 658007, 701155, 1222013, 1859585, 3290035, 6110065, 8554091, 42770455]

約数ペア:

[(1, 42770455), (5, 8554091), (7, 6110065), (13, 3290035), (23, 1859585), (35, 1222013), (61, 701155), (65, 658007), (67, 638365), (91, 470005), (115, 371917), (161, 265655), (299, 143045), (305, 140231), (335, 127673), (427, 100165), (455, 94001), (469, 91195), (793, 53935), (805, 53131), (871, 49105), (1403, 30485), (1495, 28609), (1541, 27755), (2093, 20435), (2135, 20033), (2345, 18239), (3965, 10787), (4087, 10465), (4355, 9821), (5551, 7705), (6097, 7015)]