217401984

素因数分解:

$2^7\times 3^2\times {\mathrm{17}}^2\times {\mathrm{653}}^1$

素因数の和:707

約数の個数: 144

約数和(自身を含む): 665579070

約数和(自身を除く): 448177086

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 32, 34, 36, 48, 51, 64, 68, 72, 96, 102, 128, 136, 144, 153, 192, 204, 272, 288, 289, 306, 384, 408, 544, 576, 578, 612, 653, 816, 867, 1088, 1152, 1156, 1224, 1306, 1632, 1734, 1959, 2176, 2312, 2448, 2601, 2612, 3264, 3468, 3918, 4624, 4896, 5202, 5224, 5877, 6528, 6936, 7836, 9248, 9792, 10404, 10448, 11101, 11754, 13872, 15672, 18496, 19584, 20808, 20896, 22202, 23508, 27744, 31344, 33303, 36992, 41616, 41792, 44404, 47016, 55488, 62688, 66606, 83232, 83584, 88808, 94032, 99909, 110976, 125376, 133212, 166464, 177616, 188064, 188717, 199818, 250752, 266424, 332928, 355232, 376128, 377434, 399636, 532848, 566151, 710464, 752256, 754868, 799272, 1065696, 1132302, 1420928, 1509736, 1598544, 1698453, 2131392, 2264604, 3019472, 3197088, 3396906, 4262784, 4529208, 6038944, 6394176, 6793812, 9058416, 12077888, 12788352, 13587624, 18116832, 24155776, 27175248, 36233664, 54350496, 72467328, 108700992, 217401984]

約数ペア:

[(1, 217401984), (2, 108700992), (3, 72467328), (4, 54350496), (6, 36233664), (8, 27175248), (9, 24155776), (12, 18116832), (16, 13587624), (17, 12788352), (18, 12077888), (24, 9058416), (32, 6793812), (34, 6394176), (36, 6038944), (48, 4529208), (51, 4262784), (64, 3396906), (68, 3197088), (72, 3019472), (96, 2264604), (102, 2131392), (128, 1698453), (136, 1598544), (144, 1509736), (153, 1420928), (192, 1132302), (204, 1065696), (272, 799272), (288, 754868), (289, 752256), (306, 710464), (384, 566151), (408, 532848), (544, 399636), (576, 377434), (578, 376128), (612, 355232), (653, 332928), (816, 266424), (867, 250752), (1088, 199818), (1152, 188717), (1156, 188064), (1224, 177616), (1306, 166464), (1632, 133212), (1734, 125376), (1959, 110976), (2176, 99909), (2312, 94032), (2448, 88808), (2601, 83584), (2612, 83232), (3264, 66606), (3468, 62688), (3918, 55488), (4624, 47016), (4896, 44404), (5202, 41792), (5224, 41616), (5877, 36992), (6528, 33303), (6936, 31344), (7836, 27744), (9248, 23508), (9792, 22202), (10404, 20896), (10448, 20808), (11101, 19584), (11754, 18496), (13872, 15672)]