28131516

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{127}}^1\times {\mathrm{293}}^1$

素因数の和:440

約数の個数: 96

約数和(自身を含む): 84295680

約数和(自身を除く): 56164164

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 127, 189, 252, 254, 293, 378, 381, 508, 586, 756, 762, 879, 889, 1143, 1172, 1524, 1758, 1778, 2051, 2286, 2637, 2667, 3429, 3516, 3556, 4102, 4572, 5274, 5334, 6153, 6858, 7911, 8001, 8204, 10548, 10668, 12306, 13716, 15822, 16002, 18459, 24003, 24612, 31644, 32004, 36918, 37211, 48006, 55377, 73836, 74422, 96012, 110754, 111633, 148844, 221508, 223266, 260477, 334899, 446532, 520954, 669798, 781431, 1004697, 1041908, 1339596, 1562862, 2009394, 2344293, 3125724, 4018788, 4688586, 7032879, 9377172, 14065758, 28131516]

約数ペア:

[(1, 28131516), (2, 14065758), (3, 9377172), (4, 7032879), (6, 4688586), (7, 4018788), (9, 3125724), (12, 2344293), (14, 2009394), (18, 1562862), (21, 1339596), (27, 1041908), (28, 1004697), (36, 781431), (42, 669798), (54, 520954), (63, 446532), (84, 334899), (108, 260477), (126, 223266), (127, 221508), (189, 148844), (252, 111633), (254, 110754), (293, 96012), (378, 74422), (381, 73836), (508, 55377), (586, 48006), (756, 37211), (762, 36918), (879, 32004), (889, 31644), (1143, 24612), (1172, 24003), (1524, 18459), (1758, 16002), (1778, 15822), (2051, 13716), (2286, 12306), (2637, 10668), (2667, 10548), (3429, 8204), (3516, 8001), (3556, 7911), (4102, 6858), (4572, 6153), (5274, 5334)]