28697904

素因数分解:

$2^4\times 3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{617}}^1$

素因数の和:667

約数の個数: 120

約数和(自身を含む): 89659440

約数和(自身を除く): 60961536

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 19, 24, 34, 36, 38, 48, 51, 57, 68, 72, 76, 102, 114, 136, 144, 152, 153, 171, 204, 228, 272, 304, 306, 323, 342, 408, 456, 612, 617, 646, 684, 816, 912, 969, 1224, 1234, 1292, 1368, 1851, 1938, 2448, 2468, 2584, 2736, 2907, 3702, 3876, 4936, 5168, 5553, 5814, 7404, 7752, 9872, 10489, 11106, 11628, 11723, 14808, 15504, 20978, 22212, 23256, 23446, 29616, 31467, 35169, 41956, 44424, 46512, 46892, 62934, 70338, 83912, 88848, 93784, 94401, 105507, 125868, 140676, 167824, 187568, 188802, 199291, 211014, 251736, 281352, 377604, 398582, 422028, 503472, 562704, 597873, 755208, 797164, 844056, 1195746, 1510416, 1594328, 1688112, 1793619, 2391492, 3188656, 3587238, 4782984, 7174476, 9565968, 14348952, 28697904]

約数ペア:

[(1, 28697904), (2, 14348952), (3, 9565968), (4, 7174476), (6, 4782984), (8, 3587238), (9, 3188656), (12, 2391492), (16, 1793619), (17, 1688112), (18, 1594328), (19, 1510416), (24, 1195746), (34, 844056), (36, 797164), (38, 755208), (48, 597873), (51, 562704), (57, 503472), (68, 422028), (72, 398582), (76, 377604), (102, 281352), (114, 251736), (136, 211014), (144, 199291), (152, 188802), (153, 187568), (171, 167824), (204, 140676), (228, 125868), (272, 105507), (304, 94401), (306, 93784), (323, 88848), (342, 83912), (408, 70338), (456, 62934), (612, 46892), (617, 46512), (646, 44424), (684, 41956), (816, 35169), (912, 31467), (969, 29616), (1224, 23446), (1234, 23256), (1292, 22212), (1368, 20978), (1851, 15504), (1938, 14808), (2448, 11723), (2468, 11628), (2584, 11106), (2736, 10489), (2907, 9872), (3702, 7752), (3876, 7404), (4936, 5814), (5168, 5553)]