667777136

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{199}}^1$

素因数の和:323

約数の個数: 120

約数和(自身を含む): 1511287200

約数和(自身を除く): 843510064

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 73, 104, 136, 146, 169, 199, 208, 221, 272, 292, 338, 398, 442, 584, 676, 796, 884, 949, 1168, 1241, 1352, 1592, 1768, 1898, 2482, 2587, 2704, 2873, 3184, 3383, 3536, 3796, 4964, 5174, 5746, 6766, 7592, 9928, 10348, 11492, 12337, 13532, 14527, 15184, 16133, 19856, 20696, 22984, 24674, 27064, 29054, 32266, 33631, 41392, 43979, 45968, 49348, 54128, 58108, 64532, 67262, 87958, 98696, 116216, 129064, 134524, 175916, 188851, 197392, 209729, 232432, 246959, 258128, 269048, 351832, 377702, 419458, 493918, 538096, 571727, 703664, 755404, 838916, 987836, 1143454, 1510808, 1677832, 1975672, 2286908, 2455063, 3021616, 3210467, 3355664, 3951344, 4573816, 4910126, 6420934, 9147632, 9820252, 12841868, 19640504, 25683736, 39281008, 41736071, 51367472, 83472142, 166944284, 333888568, 667777136]

約数ペア:

[(1, 667777136), (2, 333888568), (4, 166944284), (8, 83472142), (13, 51367472), (16, 41736071), (17, 39281008), (26, 25683736), (34, 19640504), (52, 12841868), (68, 9820252), (73, 9147632), (104, 6420934), (136, 4910126), (146, 4573816), (169, 3951344), (199, 3355664), (208, 3210467), (221, 3021616), (272, 2455063), (292, 2286908), (338, 1975672), (398, 1677832), (442, 1510808), (584, 1143454), (676, 987836), (796, 838916), (884, 755404), (949, 703664), (1168, 571727), (1241, 538096), (1352, 493918), (1592, 419458), (1768, 377702), (1898, 351832), (2482, 269048), (2587, 258128), (2704, 246959), (2873, 232432), (3184, 209729), (3383, 197392), (3536, 188851), (3796, 175916), (4964, 134524), (5174, 129064), (5746, 116216), (6766, 98696), (7592, 87958), (9928, 67262), (10348, 64532), (11492, 58108), (12337, 54128), (13532, 49348), (14527, 45968), (15184, 43979), (16133, 41392), (19856, 33631), (20696, 32266), (22984, 29054), (24674, 27064)]