217279744

素因数分解:

$2^8\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1$

素因数の和:208

約数の個数: 144

約数和(自身を含む): 518031360

約数和(自身を除く): 300751616

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 31, 32, 38, 44, 62, 64, 76, 88, 124, 128, 131, 152, 176, 209, 248, 256, 262, 304, 341, 352, 418, 496, 524, 589, 608, 682, 704, 836, 992, 1048, 1178, 1216, 1364, 1408, 1441, 1672, 1984, 2096, 2356, 2432, 2489, 2728, 2816, 2882, 3344, 3968, 4061, 4192, 4712, 4864, 4978, 5456, 5764, 6479, 6688, 7936, 8122, 8384, 9424, 9956, 10912, 11528, 12958, 13376, 16244, 16768, 18848, 19912, 21824, 23056, 25916, 26752, 27379, 32488, 33536, 37696, 39824, 43648, 44671, 46112, 51832, 53504, 54758, 64976, 75392, 77159, 79648, 87296, 89342, 92224, 103664, 109516, 129952, 150784, 154318, 159296, 178684, 184448, 207328, 219032, 259904, 308636, 318592, 357368, 368896, 414656, 438064, 519808, 617272, 637184, 714736, 829312, 848749, 876128, 1039616, 1234544, 1429472, 1658624, 1697498, 1752256, 2469088, 2858944, 3394996, 3504512, 4938176, 5717888, 6789992, 7009024, 9876352, 11435776, 13579984, 19752704, 27159968, 54319936, 108639872, 217279744]

約数ペア:

[(1, 217279744), (2, 108639872), (4, 54319936), (8, 27159968), (11, 19752704), (16, 13579984), (19, 11435776), (22, 9876352), (31, 7009024), (32, 6789992), (38, 5717888), (44, 4938176), (62, 3504512), (64, 3394996), (76, 2858944), (88, 2469088), (124, 1752256), (128, 1697498), (131, 1658624), (152, 1429472), (176, 1234544), (209, 1039616), (248, 876128), (256, 848749), (262, 829312), (304, 714736), (341, 637184), (352, 617272), (418, 519808), (496, 438064), (524, 414656), (589, 368896), (608, 357368), (682, 318592), (704, 308636), (836, 259904), (992, 219032), (1048, 207328), (1178, 184448), (1216, 178684), (1364, 159296), (1408, 154318), (1441, 150784), (1672, 129952), (1984, 109516), (2096, 103664), (2356, 92224), (2432, 89342), (2489, 87296), (2728, 79648), (2816, 77159), (2882, 75392), (3344, 64976), (3968, 54758), (4061, 53504), (4192, 51832), (4712, 46112), (4864, 44671), (4978, 43648), (5456, 39824), (5764, 37696), (6479, 33536), (6688, 32488), (7936, 27379), (8122, 26752), (8384, 25916), (9424, 23056), (9956, 21824), (10912, 19912), (11528, 18848), (12958, 16768), (13376, 16244)]