2557232728

素因数分解:

$2^3\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1\times {\mathrm{607}}^1$

素因数の和:860

約数の個数: 64

約数和(自身を含む): 4987180800

約数和(自身を除く): 2429948072

約数列:

[1, 2, 4, 8, 61, 89, 97, 122, 178, 194, 244, 356, 388, 488, 607, 712, 776, 1214, 2428, 4856, 5429, 5917, 8633, 10858, 11834, 17266, 21716, 23668, 34532, 37027, 43432, 47336, 54023, 58879, 69064, 74054, 108046, 117758, 148108, 216092, 235516, 296216, 432184, 471032, 526613, 1053226, 2106452, 3295403, 3591619, 4212904, 5240231, 6590806, 7183238, 10480462, 13181612, 14366476, 20960924, 26363224, 28732952, 41921848, 319654091, 639308182, 1278616364, 2557232728]

約数ペア:

[(1, 2557232728), (2, 1278616364), (4, 639308182), (8, 319654091), (61, 41921848), (89, 28732952), (97, 26363224), (122, 20960924), (178, 14366476), (194, 13181612), (244, 10480462), (356, 7183238), (388, 6590806), (488, 5240231), (607, 4212904), (712, 3591619), (776, 3295403), (1214, 2106452), (2428, 1053226), (4856, 526613), (5429, 471032), (5917, 432184), (8633, 296216), (10858, 235516), (11834, 216092), (17266, 148108), (21716, 117758), (23668, 108046), (34532, 74054), (37027, 69064), (43432, 58879), (47336, 54023)]