201720448

素因数分解:

$2^7\times {\mathrm{37}}^1\times {\mathrm{191}}^1\times {\mathrm{223}}^1$

素因数の和:465

約数の個数: 64

約数和(自身を含む): 416747520

約数和(自身を除く): 215027072

約数列:

[1, 2, 4, 8, 16, 32, 37, 64, 74, 128, 148, 191, 223, 296, 382, 446, 592, 764, 892, 1184, 1528, 1784, 2368, 3056, 3568, 4736, 6112, 7067, 7136, 8251, 12224, 14134, 14272, 16502, 24448, 28268, 28544, 33004, 42593, 56536, 66008, 85186, 113072, 132016, 170372, 226144, 264032, 340744, 452288, 528064, 681488, 904576, 1056128, 1362976, 1575941, 2725952, 3151882, 5451904, 6303764, 12607528, 25215056, 50430112, 100860224, 201720448]

約数ペア:

[(1, 201720448), (2, 100860224), (4, 50430112), (8, 25215056), (16, 12607528), (32, 6303764), (37, 5451904), (64, 3151882), (74, 2725952), (128, 1575941), (148, 1362976), (191, 1056128), (223, 904576), (296, 681488), (382, 528064), (446, 452288), (592, 340744), (764, 264032), (892, 226144), (1184, 170372), (1528, 132016), (1784, 113072), (2368, 85186), (3056, 66008), (3568, 56536), (4736, 42593), (6112, 33004), (7067, 28544), (7136, 28268), (8251, 24448), (12224, 16502), (14134, 14272)]