290459988

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{88663}}^1$

素因数の和:88693

約数の個数: 72

約数和(自身を含む): 903663488

約数和(自身を除く): 613203500

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, 117, 126, 156, 182, 234, 252, 273, 364, 468, 546, 819, 1092, 1638, 3276, 88663, 177326, 265989, 354652, 531978, 620641, 797967, 1063956, 1152619, 1241282, 1595934, 1861923, 2305238, 2482564, 3191868, 3457857, 3723846, 4610476, 5585769, 6915714, 7447692, 8068333, 10373571, 11171538, 13831428, 16136666, 20747142, 22343076, 24204999, 32273332, 41494284, 48409998, 72614997, 96819996, 145229994, 290459988]

約数ペア:

[(1, 290459988), (2, 145229994), (3, 96819996), (4, 72614997), (6, 48409998), (7, 41494284), (9, 32273332), (12, 24204999), (13, 22343076), (14, 20747142), (18, 16136666), (21, 13831428), (26, 11171538), (28, 10373571), (36, 8068333), (39, 7447692), (42, 6915714), (52, 5585769), (63, 4610476), (78, 3723846), (84, 3457857), (91, 3191868), (117, 2482564), (126, 2305238), (156, 1861923), (182, 1595934), (234, 1241282), (252, 1152619), (273, 1063956), (364, 797967), (468, 620641), (546, 531978), (819, 354652), (1092, 265989), (1638, 177326), (3276, 88663)]