261011968

素因数分解:

$2^9\times 7^1\times {\mathrm{19}}^1\times {\mathrm{3833}}^1$

素因数の和:3877

約数の個数: 80

約数和(自身を含む): 627549120

約数和(自身を除く): 366537152

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 56, 64, 76, 112, 128, 133, 152, 224, 256, 266, 304, 448, 512, 532, 608, 896, 1064, 1216, 1792, 2128, 2432, 3584, 3833, 4256, 4864, 7666, 8512, 9728, 15332, 17024, 26831, 30664, 34048, 53662, 61328, 68096, 72827, 107324, 122656, 145654, 214648, 245312, 291308, 429296, 490624, 509789, 582616, 858592, 981248, 1019578, 1165232, 1717184, 1962496, 2039156, 2330464, 3434368, 4078312, 4660928, 6868736, 8156624, 9321856, 13737472, 16313248, 18643712, 32626496, 37287424, 65252992, 130505984, 261011968]

約数ペア:

[(1, 261011968), (2, 130505984), (4, 65252992), (7, 37287424), (8, 32626496), (14, 18643712), (16, 16313248), (19, 13737472), (28, 9321856), (32, 8156624), (38, 6868736), (56, 4660928), (64, 4078312), (76, 3434368), (112, 2330464), (128, 2039156), (133, 1962496), (152, 1717184), (224, 1165232), (256, 1019578), (266, 981248), (304, 858592), (448, 582616), (512, 509789), (532, 490624), (608, 429296), (896, 291308), (1064, 245312), (1216, 214648), (1792, 145654), (2128, 122656), (2432, 107324), (3584, 72827), (3833, 68096), (4256, 61328), (4864, 53662), (7666, 34048), (8512, 30664), (9728, 26831), (15332, 17024)]