2478774290405

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{7741}}^1\times {\mathrm{6521}}^1$

素因数の和:14358

約数の個数: 64

約数和(自身を含む): 3606435173376

約数和(自身を除く): 1127660882971

約数列:

[1, 5, 7, 23, 35, 61, 115, 161, 305, 427, 805, 1403, 2135, 6521, 7015, 7741, 9821, 32605, 38705, 45647, 49105, 54187, 149983, 178043, 228235, 270935, 397781, 472201, 749915, 890215, 1049881, 1246301, 1988905, 2361005, 2784467, 3305407, 5249405, 6231505, 9148963, 10860623, 13922335, 16527035, 45744815, 50479061, 54303115, 64042741, 76024361, 252395305, 320213705, 353353427, 380121805, 1161018403, 1766767135, 3079222721, 5805092015, 8127128821, 15396113605, 21554559047, 40635644105, 70822122583, 107772795235, 354110612915, 495754858081, 2478774290405]

約数ペア:

[(1, 2478774290405), (5, 495754858081), (7, 354110612915), (23, 107772795235), (35, 70822122583), (61, 40635644105), (115, 21554559047), (161, 15396113605), (305, 8127128821), (427, 5805092015), (805, 3079222721), (1403, 1766767135), (2135, 1161018403), (6521, 380121805), (7015, 353353427), (7741, 320213705), (9821, 252395305), (32605, 76024361), (38705, 64042741), (45647, 54303115), (49105, 50479061), (54187, 45744815), (149983, 16527035), (178043, 13922335), (228235, 10860623), (270935, 9148963), (397781, 6231505), (472201, 5249405), (749915, 3305407), (890215, 2784467), (1049881, 2361005), (1246301, 1988905)]