199889984

素因数分解:

$2^6\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{389}}^1$

素因数の和:476

約数の個数: 112

約数和(自身を含む): 481827840

約数和(自身を除く): 281937856

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 37, 56, 62, 64, 74, 112, 124, 148, 217, 224, 248, 259, 296, 389, 434, 448, 496, 518, 592, 778, 868, 992, 1036, 1147, 1184, 1556, 1736, 1984, 2072, 2294, 2368, 2723, 3112, 3472, 4144, 4588, 5446, 6224, 6944, 8029, 8288, 9176, 10892, 12059, 12448, 13888, 14393, 16058, 16576, 18352, 21784, 24118, 24896, 28786, 32116, 36704, 43568, 48236, 57572, 64232, 73408, 84413, 87136, 96472, 100751, 115144, 128464, 168826, 174272, 192944, 201502, 230288, 256928, 337652, 385888, 403004, 446183, 460576, 513856, 675304, 771776, 806008, 892366, 921152, 1350608, 1612016, 1784732, 2701216, 3123281, 3224032, 3569464, 5402432, 6246562, 6448064, 7138928, 12493124, 14277856, 24986248, 28555712, 49972496, 99944992, 199889984]

約数ペア:

[(1, 199889984), (2, 99944992), (4, 49972496), (7, 28555712), (8, 24986248), (14, 14277856), (16, 12493124), (28, 7138928), (31, 6448064), (32, 6246562), (37, 5402432), (56, 3569464), (62, 3224032), (64, 3123281), (74, 2701216), (112, 1784732), (124, 1612016), (148, 1350608), (217, 921152), (224, 892366), (248, 806008), (259, 771776), (296, 675304), (389, 513856), (434, 460576), (448, 446183), (496, 403004), (518, 385888), (592, 337652), (778, 256928), (868, 230288), (992, 201502), (1036, 192944), (1147, 174272), (1184, 168826), (1556, 128464), (1736, 115144), (1984, 100751), (2072, 96472), (2294, 87136), (2368, 84413), (2723, 73408), (3112, 64232), (3472, 57572), (4144, 48236), (4588, 43568), (5446, 36704), (6224, 32116), (6944, 28786), (8029, 24896), (8288, 24118), (9176, 21784), (10892, 18352), (12059, 16576), (12448, 16058), (13888, 14393)]