28402758

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1$

素因数の和:127

約数の個数: 96

約数和(自身を含む): 70225920

約数和(自身を除く): 41823162

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 31, 38, 47, 54, 57, 62, 93, 94, 114, 141, 171, 186, 279, 282, 342, 361, 423, 513, 558, 589, 722, 837, 846, 893, 1026, 1083, 1178, 1269, 1457, 1674, 1767, 1786, 2166, 2538, 2679, 2914, 3249, 3534, 4371, 5301, 5358, 6498, 8037, 8742, 9747, 10602, 11191, 13113, 15903, 16074, 16967, 19494, 22382, 24111, 26226, 27683, 31806, 33573, 33934, 39339, 48222, 50901, 55366, 67146, 78678, 83049, 100719, 101802, 152703, 166098, 201438, 249147, 302157, 305406, 458109, 498294, 525977, 604314, 747441, 916218, 1051954, 1494882, 1577931, 3155862, 4733793, 9467586, 14201379, 28402758]

約数ペア:

[(1, 28402758), (2, 14201379), (3, 9467586), (6, 4733793), (9, 3155862), (18, 1577931), (19, 1494882), (27, 1051954), (31, 916218), (38, 747441), (47, 604314), (54, 525977), (57, 498294), (62, 458109), (93, 305406), (94, 302157), (114, 249147), (141, 201438), (171, 166098), (186, 152703), (279, 101802), (282, 100719), (342, 83049), (361, 78678), (423, 67146), (513, 55366), (558, 50901), (589, 48222), (722, 39339), (837, 33934), (846, 33573), (893, 31806), (1026, 27683), (1083, 26226), (1178, 24111), (1269, 22382), (1457, 19494), (1674, 16967), (1767, 16074), (1786, 15903), (2166, 13113), (2538, 11191), (2679, 10602), (2914, 9747), (3249, 8742), (3534, 8037), (4371, 6498), (5301, 5358)]