212416256

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{769}}^1$

素因数の和:881

約数の個数: 72

約数和(自身を含む): 462720720

約数和(自身を除く): 250304464

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 83, 104, 128, 166, 208, 256, 332, 416, 664, 769, 832, 1079, 1328, 1538, 1664, 2158, 2656, 3076, 3328, 4316, 5312, 6152, 8632, 9997, 10624, 12304, 17264, 19994, 21248, 24608, 34528, 39988, 49216, 63827, 69056, 79976, 98432, 127654, 138112, 159952, 196864, 255308, 276224, 319904, 510616, 639808, 829751, 1021232, 1279616, 1659502, 2042464, 2559232, 3319004, 4084928, 6638008, 8169856, 13276016, 16339712, 26552032, 53104064, 106208128, 212416256]

約数ペア:

[(1, 212416256), (2, 106208128), (4, 53104064), (8, 26552032), (13, 16339712), (16, 13276016), (26, 8169856), (32, 6638008), (52, 4084928), (64, 3319004), (83, 2559232), (104, 2042464), (128, 1659502), (166, 1279616), (208, 1021232), (256, 829751), (332, 639808), (416, 510616), (664, 319904), (769, 276224), (832, 255308), (1079, 196864), (1328, 159952), (1538, 138112), (1664, 127654), (2158, 98432), (2656, 79976), (3076, 69056), (3328, 63827), (4316, 49216), (5312, 39988), (6152, 34528), (8632, 24608), (9997, 21248), (10624, 19994), (12304, 17264)]