217406736

素因数分解:

$2^4\times 3^2\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{659}}^1$

素因数の和:781

約数の個数: 120

約数和(自身を含む): 638352000

約数和(自身を除く): 420945264

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 29, 36, 48, 58, 72, 79, 87, 116, 144, 158, 174, 232, 237, 261, 316, 348, 464, 474, 522, 632, 659, 696, 711, 948, 1044, 1264, 1318, 1392, 1422, 1896, 1977, 2088, 2291, 2636, 2844, 3792, 3954, 4176, 4582, 5272, 5688, 5931, 6873, 7908, 9164, 10544, 11376, 11862, 13746, 15816, 18328, 19111, 20619, 23724, 27492, 31632, 36656, 38222, 41238, 47448, 52061, 54984, 57333, 76444, 82476, 94896, 104122, 109968, 114666, 152888, 156183, 164952, 171999, 208244, 229332, 305776, 312366, 329904, 343998, 416488, 458664, 468549, 624732, 687996, 832976, 917328, 937098, 1249464, 1375992, 1509769, 1874196, 2498928, 2751984, 3019538, 3748392, 4529307, 6039076, 7496784, 9058614, 12078152, 13587921, 18117228, 24156304, 27175842, 36234456, 54351684, 72468912, 108703368, 217406736]

約数ペア:

[(1, 217406736), (2, 108703368), (3, 72468912), (4, 54351684), (6, 36234456), (8, 27175842), (9, 24156304), (12, 18117228), (16, 13587921), (18, 12078152), (24, 9058614), (29, 7496784), (36, 6039076), (48, 4529307), (58, 3748392), (72, 3019538), (79, 2751984), (87, 2498928), (116, 1874196), (144, 1509769), (158, 1375992), (174, 1249464), (232, 937098), (237, 917328), (261, 832976), (316, 687996), (348, 624732), (464, 468549), (474, 458664), (522, 416488), (632, 343998), (659, 329904), (696, 312366), (711, 305776), (948, 229332), (1044, 208244), (1264, 171999), (1318, 164952), (1392, 156183), (1422, 152888), (1896, 114666), (1977, 109968), (2088, 104122), (2291, 94896), (2636, 82476), (2844, 76444), (3792, 57333), (3954, 54984), (4176, 52061), (4582, 47448), (5272, 41238), (5688, 38222), (5931, 36656), (6873, 31632), (7908, 27492), (9164, 23724), (10544, 20619), (11376, 19111), (11862, 18328), (13746, 15816)]