901988864

素因数分解:

$2^9\times 7^2\times {\mathrm{157}}^1\times {\mathrm{229}}^1$

素因数の和:418

約数の個数: 120

約数和(自身を含む): 2119021740

約数和(自身を除く): 1217032876

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 157, 196, 224, 229, 256, 314, 392, 448, 458, 512, 628, 784, 896, 916, 1099, 1256, 1568, 1603, 1792, 1832, 2198, 2512, 3136, 3206, 3584, 3664, 4396, 5024, 6272, 6412, 7328, 7693, 8792, 10048, 11221, 12544, 12824, 14656, 15386, 17584, 20096, 22442, 25088, 25648, 29312, 30772, 35168, 35953, 40192, 44884, 51296, 58624, 61544, 70336, 71906, 80384, 89768, 102592, 117248, 123088, 140672, 143812, 179536, 205184, 246176, 251671, 281344, 287624, 359072, 410368, 492352, 503342, 562688, 575248, 718144, 820736, 984704, 1006684, 1150496, 1436288, 1761697, 1969408, 2013368, 2300992, 2872576, 3523394, 3938816, 4026736, 4601984, 5745152, 7046788, 8053472, 9203968, 14093576, 16106944, 18407936, 28187152, 32213888, 56374304, 64427776, 112748608, 128855552, 225497216, 450994432, 901988864]

約数ペア:

[(1, 901988864), (2, 450994432), (4, 225497216), (7, 128855552), (8, 112748608), (14, 64427776), (16, 56374304), (28, 32213888), (32, 28187152), (49, 18407936), (56, 16106944), (64, 14093576), (98, 9203968), (112, 8053472), (128, 7046788), (157, 5745152), (196, 4601984), (224, 4026736), (229, 3938816), (256, 3523394), (314, 2872576), (392, 2300992), (448, 2013368), (458, 1969408), (512, 1761697), (628, 1436288), (784, 1150496), (896, 1006684), (916, 984704), (1099, 820736), (1256, 718144), (1568, 575248), (1603, 562688), (1792, 503342), (1832, 492352), (2198, 410368), (2512, 359072), (3136, 287624), (3206, 281344), (3584, 251671), (3664, 246176), (4396, 205184), (5024, 179536), (6272, 143812), (6412, 140672), (7328, 123088), (7693, 117248), (8792, 102592), (10048, 89768), (11221, 80384), (12544, 71906), (12824, 70336), (14656, 61544), (15386, 58624), (17584, 51296), (20096, 44884), (22442, 40192), (25088, 35953), (25648, 35168), (29312, 30772)]