221933824

素因数分解:

$2^8\times 7^1\times {\mathrm{271}}^1\times {\mathrm{457}}^1$

素因数の和:751

約数の個数: 72

約数和(自身を含む): 509266688

約数和(自身を除く): 287332864

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 271, 448, 457, 542, 896, 914, 1084, 1792, 1828, 1897, 2168, 3199, 3656, 3794, 4336, 6398, 7312, 7588, 8672, 12796, 14624, 15176, 17344, 25592, 29248, 30352, 34688, 51184, 58496, 60704, 69376, 102368, 116992, 121408, 123847, 204736, 242816, 247694, 409472, 485632, 495388, 818944, 866929, 990776, 1733858, 1981552, 3467716, 3963104, 6935432, 7926208, 13870864, 15852416, 27741728, 31704832, 55483456, 110966912, 221933824]

約数ペア:

[(1, 221933824), (2, 110966912), (4, 55483456), (7, 31704832), (8, 27741728), (14, 15852416), (16, 13870864), (28, 7926208), (32, 6935432), (56, 3963104), (64, 3467716), (112, 1981552), (128, 1733858), (224, 990776), (256, 866929), (271, 818944), (448, 495388), (457, 485632), (542, 409472), (896, 247694), (914, 242816), (1084, 204736), (1792, 123847), (1828, 121408), (1897, 116992), (2168, 102368), (3199, 69376), (3656, 60704), (3794, 58496), (4336, 51184), (6398, 34688), (7312, 30352), (7588, 29248), (8672, 25592), (12796, 17344), (14624, 15176)]