31186892

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:302

約数の個数: 48

約数和(自身を含む): 61689600

約数和(自身を除く): 30502708

約数列:

[1, 2, 4, 11, 22, 44, 67, 71, 134, 142, 149, 268, 284, 298, 596, 737, 781, 1474, 1562, 1639, 2948, 3124, 3278, 4757, 6556, 9514, 9983, 10579, 19028, 19966, 21158, 39932, 42316, 52327, 104654, 109813, 116369, 209308, 219626, 232738, 439252, 465476, 708793, 1417586, 2835172, 7796723, 15593446, 31186892]

約数ペア:

[(1, 31186892), (2, 15593446), (4, 7796723), (11, 2835172), (22, 1417586), (44, 708793), (67, 465476), (71, 439252), (134, 232738), (142, 219626), (149, 209308), (268, 116369), (284, 109813), (298, 104654), (596, 52327), (737, 42316), (781, 39932), (1474, 21158), (1562, 19966), (1639, 19028), (2948, 10579), (3124, 9983), (3278, 9514), (4757, 6556)]