31679916

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^2\times {\mathrm{71}}^1\times {\mathrm{103}}^1$

素因数の和:219

約数の個数: 72

約数和(自身を含む): 79881984

約数和(自身を除く): 48202068

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 71, 76, 103, 114, 142, 206, 213, 228, 284, 309, 361, 412, 426, 618, 722, 852, 1083, 1236, 1349, 1444, 1957, 2166, 2698, 3914, 4047, 4332, 5396, 5871, 7313, 7828, 8094, 11742, 14626, 16188, 21939, 23484, 25631, 29252, 37183, 43878, 51262, 74366, 76893, 87756, 102524, 111549, 138947, 148732, 153786, 223098, 277894, 307572, 416841, 446196, 555788, 833682, 1667364, 2639993, 5279986, 7919979, 10559972, 15839958, 31679916]

約数ペア:

[(1, 31679916), (2, 15839958), (3, 10559972), (4, 7919979), (6, 5279986), (12, 2639993), (19, 1667364), (38, 833682), (57, 555788), (71, 446196), (76, 416841), (103, 307572), (114, 277894), (142, 223098), (206, 153786), (213, 148732), (228, 138947), (284, 111549), (309, 102524), (361, 87756), (412, 76893), (426, 74366), (618, 51262), (722, 43878), (852, 37183), (1083, 29252), (1236, 25631), (1349, 23484), (1444, 21939), (1957, 16188), (2166, 14626), (2698, 11742), (3914, 8094), (4047, 7828), (4332, 7313), (5396, 5871)]