217081008

素因数分解:

$2^4\times 3^2\times {\mathrm{29}}^1\times {\mathrm{227}}^1\times {\mathrm{229}}^1$

素因数の和:499

約数の個数: 120

約数和(自身を含む): 633999600

約数和(自身を除く): 416918592

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 29, 36, 48, 58, 72, 87, 116, 144, 174, 227, 229, 232, 261, 348, 454, 458, 464, 522, 681, 687, 696, 908, 916, 1044, 1362, 1374, 1392, 1816, 1832, 2043, 2061, 2088, 2724, 2748, 3632, 3664, 4086, 4122, 4176, 5448, 5496, 6583, 6641, 8172, 8244, 10896, 10992, 13166, 13282, 16344, 16488, 19749, 19923, 26332, 26564, 32688, 32976, 39498, 39846, 51983, 52664, 53128, 59247, 59769, 78996, 79692, 103966, 105328, 106256, 118494, 119538, 155949, 157992, 159384, 207932, 236988, 239076, 311898, 315984, 318768, 415864, 467847, 473976, 478152, 623796, 831728, 935694, 947952, 956304, 1247592, 1507507, 1871388, 2495184, 3015014, 3742776, 4522521, 6030028, 7485552, 9045042, 12060056, 13567563, 18090084, 24120112, 27135126, 36180168, 54270252, 72360336, 108540504, 217081008]

約数ペア:

[(1, 217081008), (2, 108540504), (3, 72360336), (4, 54270252), (6, 36180168), (8, 27135126), (9, 24120112), (12, 18090084), (16, 13567563), (18, 12060056), (24, 9045042), (29, 7485552), (36, 6030028), (48, 4522521), (58, 3742776), (72, 3015014), (87, 2495184), (116, 1871388), (144, 1507507), (174, 1247592), (227, 956304), (229, 947952), (232, 935694), (261, 831728), (348, 623796), (454, 478152), (458, 473976), (464, 467847), (522, 415864), (681, 318768), (687, 315984), (696, 311898), (908, 239076), (916, 236988), (1044, 207932), (1362, 159384), (1374, 157992), (1392, 155949), (1816, 119538), (1832, 118494), (2043, 106256), (2061, 105328), (2088, 103966), (2724, 79692), (2748, 78996), (3632, 59769), (3664, 59247), (4086, 53128), (4122, 52664), (4176, 51983), (5448, 39846), (5496, 39498), (6583, 32976), (6641, 32688), (8172, 26564), (8244, 26332), (10896, 19923), (10992, 19749), (13166, 16488), (13282, 16344)]