256158252

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{331}}^1$

素因数の和:468

約数の個数: 144

約数和(自身を含む): 771493632

約数和(自身を除く): 515335380

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 37, 42, 63, 74, 83, 84, 111, 126, 148, 166, 222, 249, 252, 259, 331, 332, 333, 444, 498, 518, 581, 662, 666, 747, 777, 993, 996, 1036, 1162, 1324, 1332, 1494, 1554, 1743, 1986, 2317, 2324, 2331, 2979, 2988, 3071, 3108, 3486, 3972, 4634, 4662, 5229, 5958, 6142, 6951, 6972, 9213, 9268, 9324, 10458, 11916, 12247, 12284, 13902, 18426, 20853, 20916, 21497, 24494, 27473, 27639, 27804, 36741, 36852, 41706, 42994, 48988, 54946, 55278, 64491, 73482, 82419, 83412, 85729, 85988, 109892, 110223, 110556, 128982, 146964, 164838, 171458, 192311, 193473, 220446, 247257, 257187, 257964, 329676, 342916, 384622, 386946, 440892, 494514, 514374, 576933, 769244, 771561, 773892, 989028, 1016501, 1028748, 1153866, 1543122, 1730799, 2033002, 2307732, 3049503, 3086244, 3461598, 4066004, 6099006, 6923196, 7115507, 9148509, 12198012, 14231014, 18297018, 21346521, 28462028, 36594036, 42693042, 64039563, 85386084, 128079126, 256158252]

約数ペア:

[(1, 256158252), (2, 128079126), (3, 85386084), (4, 64039563), (6, 42693042), (7, 36594036), (9, 28462028), (12, 21346521), (14, 18297018), (18, 14231014), (21, 12198012), (28, 9148509), (36, 7115507), (37, 6923196), (42, 6099006), (63, 4066004), (74, 3461598), (83, 3086244), (84, 3049503), (111, 2307732), (126, 2033002), (148, 1730799), (166, 1543122), (222, 1153866), (249, 1028748), (252, 1016501), (259, 989028), (331, 773892), (332, 771561), (333, 769244), (444, 576933), (498, 514374), (518, 494514), (581, 440892), (662, 386946), (666, 384622), (747, 342916), (777, 329676), (993, 257964), (996, 257187), (1036, 247257), (1162, 220446), (1324, 193473), (1332, 192311), (1494, 171458), (1554, 164838), (1743, 146964), (1986, 128982), (2317, 110556), (2324, 110223), (2331, 109892), (2979, 85988), (2988, 85729), (3071, 83412), (3108, 82419), (3486, 73482), (3972, 64491), (4634, 55278), (4662, 54946), (5229, 48988), (5958, 42994), (6142, 41706), (6951, 36852), (6972, 36741), (9213, 27804), (9268, 27639), (9324, 27473), (10458, 24494), (11916, 21497), (12247, 20916), (12284, 20853), (13902, 18426)]