221897412

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{173}}^1$

素因数の和:314

約数の個数: 144

約数和(自身を含む): 638426880

約数和(自身を除く): 416529468

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 41, 44, 66, 79, 82, 99, 123, 132, 158, 164, 173, 198, 237, 246, 316, 346, 369, 396, 451, 474, 492, 519, 692, 711, 738, 869, 902, 948, 1038, 1353, 1422, 1476, 1557, 1738, 1804, 1903, 2076, 2607, 2706, 2844, 3114, 3239, 3476, 3806, 4059, 5214, 5412, 5709, 6228, 6478, 7093, 7612, 7821, 8118, 9717, 10428, 11418, 12956, 13667, 14186, 15642, 16236, 17127, 19434, 21279, 22836, 27334, 28372, 29151, 31284, 34254, 35629, 38868, 41001, 42558, 54668, 58302, 63837, 68508, 71258, 78023, 82002, 85116, 106887, 116604, 123003, 127674, 142516, 150337, 156046, 164004, 213774, 234069, 246006, 255348, 300674, 312092, 320661, 427548, 451011, 468138, 492012, 560347, 601348, 641322, 702207, 902022, 936276, 1120694, 1282644, 1353033, 1404414, 1681041, 1804044, 2241388, 2706066, 2808828, 3362082, 5043123, 5412132, 6163817, 6724164, 10086246, 12327634, 18491451, 20172492, 24655268, 36982902, 55474353, 73965804, 110948706, 221897412]

約数ペア:

[(1, 221897412), (2, 110948706), (3, 73965804), (4, 55474353), (6, 36982902), (9, 24655268), (11, 20172492), (12, 18491451), (18, 12327634), (22, 10086246), (33, 6724164), (36, 6163817), (41, 5412132), (44, 5043123), (66, 3362082), (79, 2808828), (82, 2706066), (99, 2241388), (123, 1804044), (132, 1681041), (158, 1404414), (164, 1353033), (173, 1282644), (198, 1120694), (237, 936276), (246, 902022), (316, 702207), (346, 641322), (369, 601348), (396, 560347), (451, 492012), (474, 468138), (492, 451011), (519, 427548), (692, 320661), (711, 312092), (738, 300674), (869, 255348), (902, 246006), (948, 234069), (1038, 213774), (1353, 164004), (1422, 156046), (1476, 150337), (1557, 142516), (1738, 127674), (1804, 123003), (1903, 116604), (2076, 106887), (2607, 85116), (2706, 82002), (2844, 78023), (3114, 71258), (3239, 68508), (3476, 63837), (3806, 58302), (4059, 54668), (5214, 42558), (5412, 41001), (5709, 38868), (6228, 35629), (6478, 34254), (7093, 31284), (7612, 29151), (7821, 28372), (8118, 27334), (9717, 22836), (10428, 21279), (11418, 19434), (12956, 17127), (13667, 16236), (14186, 15642)]