28156665136

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{45247}}^1$

素因数の和:45386

約数の個数: 80

約数和(自身を含む): 60596121600

約数和(自身を除く): 32439456464

約数列:

[1, 2, 4, 8, 16, 19, 23, 38, 46, 76, 89, 92, 152, 178, 184, 304, 356, 368, 437, 712, 874, 1424, 1691, 1748, 2047, 3382, 3496, 4094, 6764, 6992, 8188, 13528, 16376, 27056, 32752, 38893, 45247, 77786, 90494, 155572, 180988, 311144, 361976, 622288, 723952, 859693, 1040681, 1719386, 2081362, 3438772, 4026983, 4162724, 6877544, 8053966, 8325448, 13755088, 16107932, 16650896, 19772939, 32215864, 39545878, 64431728, 76512677, 79091756, 92620609, 153025354, 158183512, 185241218, 306050708, 316367024, 370482436, 612101416, 740964872, 1224202832, 1481929744, 1759791571, 3519583142, 7039166284, 14078332568, 28156665136]

約数ペア:

[(1, 28156665136), (2, 14078332568), (4, 7039166284), (8, 3519583142), (16, 1759791571), (19, 1481929744), (23, 1224202832), (38, 740964872), (46, 612101416), (76, 370482436), (89, 316367024), (92, 306050708), (152, 185241218), (178, 158183512), (184, 153025354), (304, 92620609), (356, 79091756), (368, 76512677), (437, 64431728), (712, 39545878), (874, 32215864), (1424, 19772939), (1691, 16650896), (1748, 16107932), (2047, 13755088), (3382, 8325448), (3496, 8053966), (4094, 6877544), (6764, 4162724), (6992, 4026983), (8188, 3438772), (13528, 2081362), (16376, 1719386), (27056, 1040681), (32752, 859693), (38893, 723952), (45247, 622288), (77786, 361976), (90494, 311144), (155572, 180988)]