31281666

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{761}}^1$

素因数の和:827

約数の個数: 64

約数和(自身を含む): 73737216

約数和(自身を除く): 42455550

約数列:

[1, 2, 3, 6, 13, 17, 26, 31, 34, 39, 51, 62, 78, 93, 102, 186, 221, 403, 442, 527, 663, 761, 806, 1054, 1209, 1326, 1522, 1581, 2283, 2418, 3162, 4566, 6851, 9893, 12937, 13702, 19786, 20553, 23591, 25874, 29679, 38811, 41106, 47182, 59358, 70773, 77622, 141546, 168181, 306683, 336362, 401047, 504543, 613366, 802094, 920049, 1009086, 1203141, 1840098, 2406282, 5213611, 10427222, 15640833, 31281666]

約数ペア:

[(1, 31281666), (2, 15640833), (3, 10427222), (6, 5213611), (13, 2406282), (17, 1840098), (26, 1203141), (31, 1009086), (34, 920049), (39, 802094), (51, 613366), (62, 504543), (78, 401047), (93, 336362), (102, 306683), (186, 168181), (221, 141546), (403, 77622), (442, 70773), (527, 59358), (663, 47182), (761, 41106), (806, 38811), (1054, 29679), (1209, 25874), (1326, 23591), (1522, 20553), (1581, 19786), (2283, 13702), (2418, 12937), (3162, 9893), (4566, 6851)]