28064358

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{47}}^1\times {\mathrm{677}}^1$

素因数の和:746

約数の個数: 72

約数和(自身を含む): 72345312

約数和(自身を除く): 44280954

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 47, 49, 63, 94, 98, 126, 141, 147, 282, 294, 329, 423, 441, 658, 677, 846, 882, 987, 1354, 1974, 2031, 2303, 2961, 4062, 4606, 4739, 5922, 6093, 6909, 9478, 12186, 13818, 14217, 20727, 28434, 31819, 33173, 41454, 42651, 63638, 66346, 85302, 95457, 99519, 190914, 199038, 222733, 286371, 298557, 445466, 572742, 597114, 668199, 1336398, 1559131, 2004597, 3118262, 4009194, 4677393, 9354786, 14032179, 28064358]

約数ペア:

[(1, 28064358), (2, 14032179), (3, 9354786), (6, 4677393), (7, 4009194), (9, 3118262), (14, 2004597), (18, 1559131), (21, 1336398), (42, 668199), (47, 597114), (49, 572742), (63, 445466), (94, 298557), (98, 286371), (126, 222733), (141, 199038), (147, 190914), (282, 99519), (294, 95457), (329, 85302), (423, 66346), (441, 63638), (658, 42651), (677, 41454), (846, 33173), (882, 31819), (987, 28434), (1354, 20727), (1974, 14217), (2031, 13818), (2303, 12186), (2961, 9478), (4062, 6909), (4606, 6093), (4739, 5922)]