209608308

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{587}}^1$

素因数の和:726

約数の個数: 144

約数和(自身を含む): 659218560

約数和(自身を除く): 449610252

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 52, 63, 78, 84, 91, 109, 117, 126, 156, 182, 218, 234, 252, 273, 327, 364, 436, 468, 546, 587, 654, 763, 819, 981, 1092, 1174, 1308, 1417, 1526, 1638, 1761, 1962, 2289, 2348, 2834, 3052, 3276, 3522, 3924, 4109, 4251, 4578, 5283, 5668, 6867, 7044, 7631, 8218, 8502, 9156, 9919, 10566, 12327, 12753, 13734, 15262, 16436, 17004, 19838, 21132, 22893, 24654, 25506, 27468, 29757, 30524, 36981, 39676, 45786, 49308, 51012, 53417, 59514, 63983, 68679, 73962, 89271, 91572, 106834, 119028, 127966, 137358, 147924, 160251, 178542, 191949, 213668, 255932, 274716, 320502, 357084, 383898, 447881, 480753, 575847, 641004, 767796, 831779, 895762, 961506, 1151694, 1343643, 1663558, 1791524, 1923012, 2303388, 2495337, 2687286, 3327116, 4030929, 4990674, 5374572, 5822453, 7486011, 8061858, 9981348, 11644906, 14972022, 16123716, 17467359, 23289812, 29944044, 34934718, 52402077, 69869436, 104804154, 209608308]

約数ペア:

[(1, 209608308), (2, 104804154), (3, 69869436), (4, 52402077), (6, 34934718), (7, 29944044), (9, 23289812), (12, 17467359), (13, 16123716), (14, 14972022), (18, 11644906), (21, 9981348), (26, 8061858), (28, 7486011), (36, 5822453), (39, 5374572), (42, 4990674), (52, 4030929), (63, 3327116), (78, 2687286), (84, 2495337), (91, 2303388), (109, 1923012), (117, 1791524), (126, 1663558), (156, 1343643), (182, 1151694), (218, 961506), (234, 895762), (252, 831779), (273, 767796), (327, 641004), (364, 575847), (436, 480753), (468, 447881), (546, 383898), (587, 357084), (654, 320502), (763, 274716), (819, 255932), (981, 213668), (1092, 191949), (1174, 178542), (1308, 160251), (1417, 147924), (1526, 137358), (1638, 127966), (1761, 119028), (1962, 106834), (2289, 91572), (2348, 89271), (2834, 73962), (3052, 68679), (3276, 63983), (3522, 59514), (3924, 53417), (4109, 51012), (4251, 49308), (4578, 45786), (5283, 39676), (5668, 36981), (6867, 30524), (7044, 29757), (7631, 27468), (8218, 25506), (8502, 24654), (9156, 22893), (9919, 21132), (10566, 19838), (12327, 17004), (12753, 16436), (13734, 15262)]