208539776

素因数分解:

$2^7\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{503}}^1$

素因数の和:637

約数の個数: 64

約数和(自身を含む): 431827200

約数和(自身を除く): 223287424

約数列:

[1, 2, 4, 8, 16, 32, 41, 64, 79, 82, 128, 158, 164, 316, 328, 503, 632, 656, 1006, 1264, 1312, 2012, 2528, 2624, 3239, 4024, 5056, 5248, 6478, 8048, 10112, 12956, 16096, 20623, 25912, 32192, 39737, 41246, 51824, 64384, 79474, 82492, 103648, 158948, 164984, 207296, 317896, 329968, 414592, 635792, 659936, 1271584, 1319872, 1629217, 2543168, 2639744, 3258434, 5086336, 6516868, 13033736, 26067472, 52134944, 104269888, 208539776]

約数ペア:

[(1, 208539776), (2, 104269888), (4, 52134944), (8, 26067472), (16, 13033736), (32, 6516868), (41, 5086336), (64, 3258434), (79, 2639744), (82, 2543168), (128, 1629217), (158, 1319872), (164, 1271584), (316, 659936), (328, 635792), (503, 414592), (632, 329968), (656, 317896), (1006, 207296), (1264, 164984), (1312, 158948), (2012, 103648), (2528, 82492), (2624, 79474), (3239, 64384), (4024, 51824), (5056, 41246), (5248, 39737), (6478, 32192), (8048, 25912), (10112, 20623), (12956, 16096)]