398857984

素因数分解:

$2^8\times 7^1\times {\mathrm{73}}^1\times {\mathrm{3049}}^1$

素因数の和:3145

約数の個数: 72

約数和(自身を含む): 922661600

約数和(自身を除く): 523803616

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 73, 112, 128, 146, 224, 256, 292, 448, 511, 584, 896, 1022, 1168, 1792, 2044, 2336, 3049, 4088, 4672, 6098, 8176, 9344, 12196, 16352, 18688, 21343, 24392, 32704, 42686, 48784, 65408, 85372, 97568, 130816, 170744, 195136, 222577, 341488, 390272, 445154, 682976, 780544, 890308, 1365952, 1558039, 1780616, 2731904, 3116078, 3561232, 5463808, 6232156, 7122464, 12464312, 14244928, 24928624, 28489856, 49857248, 56979712, 99714496, 199428992, 398857984]

約数ペア:

[(1, 398857984), (2, 199428992), (4, 99714496), (7, 56979712), (8, 49857248), (14, 28489856), (16, 24928624), (28, 14244928), (32, 12464312), (56, 7122464), (64, 6232156), (73, 5463808), (112, 3561232), (128, 3116078), (146, 2731904), (224, 1780616), (256, 1558039), (292, 1365952), (448, 890308), (511, 780544), (584, 682976), (896, 445154), (1022, 390272), (1168, 341488), (1792, 222577), (2044, 195136), (2336, 170744), (3049, 130816), (4088, 97568), (4672, 85372), (6098, 65408), (8176, 48784), (9344, 42686), (12196, 32704), (16352, 24392), (18688, 21343)]