1279897472

素因数分解:

$2^7\times 7^1\times {\mathrm{349}}^1\times {\mathrm{4093}}^1$

素因数の和:4463

約数の個数: 64

約数和(自身を含む): 2923116000

約数和(自身を除く): 1643218528

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 349, 448, 698, 896, 1396, 2443, 2792, 4093, 4886, 5584, 8186, 9772, 11168, 16372, 19544, 22336, 28651, 32744, 39088, 44672, 57302, 65488, 78176, 114604, 130976, 156352, 229208, 261952, 312704, 458416, 523904, 916832, 1428457, 1833664, 2856914, 3667328, 5713828, 9999199, 11427656, 19998398, 22855312, 39996796, 45710624, 79993592, 91421248, 159987184, 182842496, 319974368, 639948736, 1279897472]

約数ペア:

[(1, 1279897472), (2, 639948736), (4, 319974368), (7, 182842496), (8, 159987184), (14, 91421248), (16, 79993592), (28, 45710624), (32, 39996796), (56, 22855312), (64, 19998398), (112, 11427656), (128, 9999199), (224, 5713828), (349, 3667328), (448, 2856914), (698, 1833664), (896, 1428457), (1396, 916832), (2443, 523904), (2792, 458416), (4093, 312704), (4886, 261952), (5584, 229208), (8186, 156352), (9772, 130976), (11168, 114604), (16372, 78176), (19544, 65488), (22336, 57302), (28651, 44672), (32744, 39088)]