123686528

素因数分解:

$2^7\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1$

素因数の和:186

約数の個数: 128

約数和(自身を含む): 299504640

約数和(自身を除く): 175818112

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 61, 62, 64, 73, 112, 122, 124, 128, 146, 217, 224, 244, 248, 292, 427, 434, 448, 488, 496, 511, 584, 854, 868, 896, 976, 992, 1022, 1168, 1708, 1736, 1891, 1952, 1984, 2044, 2263, 2336, 3416, 3472, 3782, 3904, 3968, 4088, 4453, 4526, 4672, 6832, 6944, 7564, 7808, 8176, 8906, 9052, 9344, 13237, 13664, 13888, 15128, 15841, 16352, 17812, 18104, 26474, 27328, 27776, 30256, 31171, 31682, 32704, 35624, 36208, 52948, 54656, 60512, 62342, 63364, 65408, 71248, 72416, 105896, 121024, 124684, 126728, 138043, 142496, 144832, 211792, 242048, 249368, 253456, 276086, 284992, 289664, 423584, 498736, 506912, 552172, 569984, 847168, 966301, 997472, 1013824, 1104344, 1694336, 1932602, 1994944, 2027648, 2208688, 3865204, 3989888, 4417376, 7730408, 8834752, 15460816, 17669504, 30921632, 61843264, 123686528]

約数ペア:

[(1, 123686528), (2, 61843264), (4, 30921632), (7, 17669504), (8, 15460816), (14, 8834752), (16, 7730408), (28, 4417376), (31, 3989888), (32, 3865204), (56, 2208688), (61, 2027648), (62, 1994944), (64, 1932602), (73, 1694336), (112, 1104344), (122, 1013824), (124, 997472), (128, 966301), (146, 847168), (217, 569984), (224, 552172), (244, 506912), (248, 498736), (292, 423584), (427, 289664), (434, 284992), (448, 276086), (488, 253456), (496, 249368), (511, 242048), (584, 211792), (854, 144832), (868, 142496), (896, 138043), (976, 126728), (992, 124684), (1022, 121024), (1168, 105896), (1708, 72416), (1736, 71248), (1891, 65408), (1952, 63364), (1984, 62342), (2044, 60512), (2263, 54656), (2336, 52948), (3416, 36208), (3472, 35624), (3782, 32704), (3904, 31682), (3968, 31171), (4088, 30256), (4453, 27776), (4526, 27328), (4672, 26474), (6832, 18104), (6944, 17812), (7564, 16352), (7808, 15841), (8176, 15128), (8906, 13888), (9052, 13664), (9344, 13237)]