28626572

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:147

約数の個数: 72

約数和(自身を含む): 59766336

約数和(自身を除く): 31139764

約数列:

[1, 2, 4, 13, 17, 26, 34, 47, 52, 53, 68, 94, 106, 169, 188, 212, 221, 338, 442, 611, 676, 689, 799, 884, 901, 1222, 1378, 1598, 1802, 2444, 2491, 2756, 2873, 3196, 3604, 4982, 5746, 7943, 8957, 9964, 10387, 11492, 11713, 15886, 17914, 20774, 23426, 31772, 32383, 35828, 41548, 42347, 46852, 64766, 84694, 129532, 135031, 152269, 169388, 270062, 304538, 420979, 540124, 550511, 609076, 841958, 1101022, 1683916, 2202044, 7156643, 14313286, 28626572]

約数ペア:

[(1, 28626572), (2, 14313286), (4, 7156643), (13, 2202044), (17, 1683916), (26, 1101022), (34, 841958), (47, 609076), (52, 550511), (53, 540124), (68, 420979), (94, 304538), (106, 270062), (169, 169388), (188, 152269), (212, 135031), (221, 129532), (338, 84694), (442, 64766), (611, 46852), (676, 42347), (689, 41548), (799, 35828), (884, 32383), (901, 31772), (1222, 23426), (1378, 20774), (1598, 17914), (1802, 15886), (2444, 11713), (2491, 11492), (2756, 10387), (2873, 9964), (3196, 8957), (3604, 7943), (4982, 5746)]