221474792

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{149}}^1$

素因数の和:319

約数の個数: 128

約数和(自身を含む): 552960000

約数和(自身を除く): 331485208

約数列:

[1, 2, 4, 7, 8, 11, 14, 19, 22, 28, 38, 44, 56, 76, 77, 88, 127, 133, 149, 152, 154, 209, 254, 266, 298, 308, 418, 508, 532, 596, 616, 836, 889, 1016, 1043, 1064, 1192, 1397, 1463, 1639, 1672, 1778, 2086, 2413, 2794, 2831, 2926, 3278, 3556, 4172, 4826, 5588, 5662, 5852, 6556, 7112, 8344, 9652, 9779, 11176, 11324, 11473, 11704, 13112, 16891, 18923, 19304, 19558, 19817, 22648, 22946, 26543, 31141, 33782, 37846, 39116, 39634, 45892, 53086, 62282, 67564, 75692, 78232, 79268, 91784, 106172, 124564, 132461, 135128, 151384, 158536, 185801, 208153, 212344, 217987, 249128, 264922, 359537, 371602, 416306, 435974, 529844, 719074, 743204, 832612, 871948, 1059688, 1438148, 1457071, 1486408, 1665224, 1743896, 2516759, 2876296, 2914142, 3954907, 5033518, 5828284, 7909814, 10067036, 11656568, 15819628, 20134072, 27684349, 31639256, 55368698, 110737396, 221474792]

約数ペア:

[(1, 221474792), (2, 110737396), (4, 55368698), (7, 31639256), (8, 27684349), (11, 20134072), (14, 15819628), (19, 11656568), (22, 10067036), (28, 7909814), (38, 5828284), (44, 5033518), (56, 3954907), (76, 2914142), (77, 2876296), (88, 2516759), (127, 1743896), (133, 1665224), (149, 1486408), (152, 1457071), (154, 1438148), (209, 1059688), (254, 871948), (266, 832612), (298, 743204), (308, 719074), (418, 529844), (508, 435974), (532, 416306), (596, 371602), (616, 359537), (836, 264922), (889, 249128), (1016, 217987), (1043, 212344), (1064, 208153), (1192, 185801), (1397, 158536), (1463, 151384), (1639, 135128), (1672, 132461), (1778, 124564), (2086, 106172), (2413, 91784), (2794, 79268), (2831, 78232), (2926, 75692), (3278, 67564), (3556, 62282), (4172, 53086), (4826, 45892), (5588, 39634), (5662, 39116), (5852, 37846), (6556, 33782), (7112, 31141), (8344, 26543), (9652, 22946), (9779, 22648), (11176, 19817), (11324, 19558), (11473, 19304), (11704, 18923), (13112, 16891)]