28277028

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1$

素因数の和:154

約数の個数: 144

約数和(自身を含む): 83655936

約数和(自身を除く): 55378908

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 23, 26, 36, 37, 39, 46, 52, 69, 71, 74, 78, 92, 111, 117, 138, 142, 148, 156, 207, 213, 222, 234, 276, 284, 299, 333, 414, 426, 444, 468, 481, 598, 639, 666, 828, 851, 852, 897, 923, 962, 1196, 1278, 1332, 1443, 1633, 1702, 1794, 1846, 1924, 2553, 2556, 2627, 2691, 2769, 2886, 3266, 3404, 3588, 3692, 4329, 4899, 5106, 5254, 5382, 5538, 5772, 6532, 7659, 7881, 8307, 8658, 9798, 10212, 10508, 10764, 11063, 11076, 14697, 15318, 15762, 16614, 17316, 19596, 21229, 22126, 23643, 29394, 30636, 31524, 33189, 33228, 34151, 42458, 44252, 47286, 58788, 60421, 63687, 66378, 68302, 84916, 94572, 99567, 102453, 120842, 127374, 132756, 136604, 181263, 191061, 199134, 204906, 241684, 254748, 307359, 362526, 382122, 398268, 409812, 543789, 614718, 725052, 764244, 785473, 1087578, 1229436, 1570946, 2175156, 2356419, 3141892, 4712838, 7069257, 9425676, 14138514, 28277028]

約数ペア:

[(1, 28277028), (2, 14138514), (3, 9425676), (4, 7069257), (6, 4712838), (9, 3141892), (12, 2356419), (13, 2175156), (18, 1570946), (23, 1229436), (26, 1087578), (36, 785473), (37, 764244), (39, 725052), (46, 614718), (52, 543789), (69, 409812), (71, 398268), (74, 382122), (78, 362526), (92, 307359), (111, 254748), (117, 241684), (138, 204906), (142, 199134), (148, 191061), (156, 181263), (207, 136604), (213, 132756), (222, 127374), (234, 120842), (276, 102453), (284, 99567), (299, 94572), (333, 84916), (414, 68302), (426, 66378), (444, 63687), (468, 60421), (481, 58788), (598, 47286), (639, 44252), (666, 42458), (828, 34151), (851, 33228), (852, 33189), (897, 31524), (923, 30636), (962, 29394), (1196, 23643), (1278, 22126), (1332, 21229), (1443, 19596), (1633, 17316), (1702, 16614), (1794, 15762), (1846, 15318), (1924, 14697), (2553, 11076), (2556, 11063), (2627, 10764), (2691, 10508), (2769, 10212), (2886, 9798), (3266, 8658), (3404, 8307), (3588, 7881), (3692, 7659), (4329, 6532), (4899, 5772), (5106, 5538), (5254, 5382)]