157220778

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1$

素因数の和:340

約数の個数: 128

約数和(自身を含む): 399458304

約数和(自身を除く): 242237526

約数列:

[1, 2, 3, 6, 11, 13, 22, 23, 26, 31, 33, 39, 46, 62, 66, 69, 78, 93, 138, 143, 186, 253, 257, 286, 299, 341, 403, 429, 506, 514, 598, 682, 713, 759, 771, 806, 858, 897, 1023, 1209, 1426, 1518, 1542, 1794, 2046, 2139, 2418, 2827, 3289, 3341, 4278, 4433, 5654, 5911, 6578, 6682, 7843, 7967, 8481, 8866, 9269, 9867, 10023, 11822, 13299, 15686, 15934, 16962, 17733, 18538, 19734, 20046, 23529, 23901, 26598, 27807, 35466, 36751, 47058, 47802, 55614, 65021, 73502, 76843, 87637, 101959, 103571, 110253, 130042, 153686, 175274, 183241, 195063, 203918, 207142, 220506, 230529, 262911, 305877, 310713, 366482, 390126, 461058, 525822, 549723, 611754, 621426, 845273, 1099446, 1139281, 1690546, 2015651, 2278562, 2382133, 2535819, 3417843, 4031302, 4764266, 5071638, 6046953, 6835686, 7146399, 12093906, 14292798, 26203463, 52406926, 78610389, 157220778]

約数ペア:

[(1, 157220778), (2, 78610389), (3, 52406926), (6, 26203463), (11, 14292798), (13, 12093906), (22, 7146399), (23, 6835686), (26, 6046953), (31, 5071638), (33, 4764266), (39, 4031302), (46, 3417843), (62, 2535819), (66, 2382133), (69, 2278562), (78, 2015651), (93, 1690546), (138, 1139281), (143, 1099446), (186, 845273), (253, 621426), (257, 611754), (286, 549723), (299, 525822), (341, 461058), (403, 390126), (429, 366482), (506, 310713), (514, 305877), (598, 262911), (682, 230529), (713, 220506), (759, 207142), (771, 203918), (806, 195063), (858, 183241), (897, 175274), (1023, 153686), (1209, 130042), (1426, 110253), (1518, 103571), (1542, 101959), (1794, 87637), (2046, 76843), (2139, 73502), (2418, 65021), (2827, 55614), (3289, 47802), (3341, 47058), (4278, 36751), (4433, 35466), (5654, 27807), (5911, 26598), (6578, 23901), (6682, 23529), (7843, 20046), (7967, 19734), (8481, 18538), (8866, 17733), (9269, 16962), (9867, 15934), (10023, 15686), (11822, 13299)]