216904428

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{199}}^1$

素因数の和:376

約数の個数: 144

約数和(自身を含む): 632923200

約数和(自身を除く): 416018772

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 17, 18, 26, 34, 36, 39, 51, 52, 68, 78, 102, 117, 137, 153, 156, 199, 204, 221, 234, 274, 306, 398, 411, 442, 468, 548, 597, 612, 663, 796, 822, 884, 1194, 1233, 1326, 1644, 1781, 1791, 1989, 2329, 2388, 2466, 2587, 2652, 3383, 3562, 3582, 3978, 4658, 4932, 5174, 5343, 6766, 6987, 7124, 7164, 7761, 7956, 9316, 10149, 10348, 10686, 13532, 13974, 15522, 16029, 20298, 20961, 21372, 23283, 27263, 27948, 30277, 30447, 31044, 32058, 40596, 41922, 43979, 46566, 54526, 60554, 60894, 64116, 81789, 83844, 87958, 90831, 93132, 109052, 121108, 121788, 131937, 163578, 175916, 181662, 245367, 263874, 272493, 327156, 354419, 363324, 395811, 463471, 490734, 527748, 544986, 708838, 791622, 926942, 981468, 1063257, 1089972, 1390413, 1417676, 1583244, 1853884, 2126514, 2780826, 3189771, 4171239, 4253028, 5561652, 6025123, 6379542, 8342478, 12050246, 12759084, 16684956, 18075369, 24100492, 36150738, 54226107, 72301476, 108452214, 216904428]

約数ペア:

[(1, 216904428), (2, 108452214), (3, 72301476), (4, 54226107), (6, 36150738), (9, 24100492), (12, 18075369), (13, 16684956), (17, 12759084), (18, 12050246), (26, 8342478), (34, 6379542), (36, 6025123), (39, 5561652), (51, 4253028), (52, 4171239), (68, 3189771), (78, 2780826), (102, 2126514), (117, 1853884), (137, 1583244), (153, 1417676), (156, 1390413), (199, 1089972), (204, 1063257), (221, 981468), (234, 926942), (274, 791622), (306, 708838), (398, 544986), (411, 527748), (442, 490734), (468, 463471), (548, 395811), (597, 363324), (612, 354419), (663, 327156), (796, 272493), (822, 263874), (884, 245367), (1194, 181662), (1233, 175916), (1326, 163578), (1644, 131937), (1781, 121788), (1791, 121108), (1989, 109052), (2329, 93132), (2388, 90831), (2466, 87958), (2587, 83844), (2652, 81789), (3383, 64116), (3562, 60894), (3582, 60554), (3978, 54526), (4658, 46566), (4932, 43979), (5174, 41922), (5343, 40596), (6766, 32058), (6987, 31044), (7124, 30447), (7164, 30277), (7761, 27948), (7956, 27263), (9316, 23283), (10149, 21372), (10348, 20961), (10686, 20298), (13532, 16029), (13974, 15522)]