31170996

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{31}}^2\times {\mathrm{53}}^1$

素因数の和:142

約数の個数: 108

約数和(自身を含む): 87832836

約数和(自身を除く): 56661840

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 31, 34, 36, 51, 53, 62, 68, 93, 102, 106, 124, 153, 159, 186, 204, 212, 279, 306, 318, 372, 477, 527, 558, 612, 636, 901, 954, 961, 1054, 1116, 1581, 1643, 1802, 1908, 1922, 2108, 2703, 2883, 3162, 3286, 3604, 3844, 4743, 4929, 5406, 5766, 6324, 6572, 8109, 8649, 9486, 9858, 10812, 11532, 14787, 16218, 16337, 17298, 18972, 19716, 27931, 29574, 32436, 32674, 34596, 49011, 50933, 55862, 59148, 65348, 83793, 98022, 101866, 111724, 147033, 152799, 167586, 196044, 203732, 251379, 294066, 305598, 335172, 458397, 502758, 588132, 611196, 865861, 916794, 1005516, 1731722, 1833588, 2597583, 3463444, 5195166, 7792749, 10390332, 15585498, 31170996]

約数ペア:

[(1, 31170996), (2, 15585498), (3, 10390332), (4, 7792749), (6, 5195166), (9, 3463444), (12, 2597583), (17, 1833588), (18, 1731722), (31, 1005516), (34, 916794), (36, 865861), (51, 611196), (53, 588132), (62, 502758), (68, 458397), (93, 335172), (102, 305598), (106, 294066), (124, 251379), (153, 203732), (159, 196044), (186, 167586), (204, 152799), (212, 147033), (279, 111724), (306, 101866), (318, 98022), (372, 83793), (477, 65348), (527, 59148), (558, 55862), (612, 50933), (636, 49011), (901, 34596), (954, 32674), (961, 32436), (1054, 29574), (1116, 27931), (1581, 19716), (1643, 18972), (1802, 17298), (1908, 16337), (1922, 16218), (2108, 14787), (2703, 11532), (2883, 10812), (3162, 9858), (3286, 9486), (3604, 8649), (3844, 8109), (4743, 6572), (4929, 6324), (5406, 5766)]