28864908

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{491}}^1$

素因数の和:595

約数の個数: 72

約数和(自身を含む): 77366016

約数和(自身を除く): 48501108

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 71, 92, 138, 142, 207, 213, 276, 284, 414, 426, 491, 639, 828, 852, 982, 1278, 1473, 1633, 1964, 2556, 2946, 3266, 4419, 4899, 5892, 6532, 8838, 9798, 11293, 14697, 17676, 19596, 22586, 29394, 33879, 34861, 45172, 58788, 67758, 69722, 101637, 104583, 135516, 139444, 203274, 209166, 313749, 406548, 418332, 627498, 801803, 1254996, 1603606, 2405409, 3207212, 4810818, 7216227, 9621636, 14432454, 28864908]

約数ペア:

[(1, 28864908), (2, 14432454), (3, 9621636), (4, 7216227), (6, 4810818), (9, 3207212), (12, 2405409), (18, 1603606), (23, 1254996), (36, 801803), (46, 627498), (69, 418332), (71, 406548), (92, 313749), (138, 209166), (142, 203274), (207, 139444), (213, 135516), (276, 104583), (284, 101637), (414, 69722), (426, 67758), (491, 58788), (639, 45172), (828, 34861), (852, 33879), (982, 29394), (1278, 22586), (1473, 19596), (1633, 17676), (1964, 14697), (2556, 11293), (2946, 9798), (3266, 8838), (4419, 6532), (4899, 5892)]