253441616

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{523}}^1\times {\mathrm{977}}^1$

素因数の和:1539

約数の個数: 40

約数和(自身を含む): 508372224

約数和(自身を除く): 254930608

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 523, 977, 1046, 1954, 2092, 3908, 4184, 7816, 8368, 15632, 16213, 30287, 32426, 60574, 64852, 121148, 129704, 242296, 259408, 484592, 510971, 1021942, 2043884, 4087768, 8175536, 15840101, 31680202, 63360404, 126720808, 253441616]

約数ペア:

[(1, 253441616), (2, 126720808), (4, 63360404), (8, 31680202), (16, 15840101), (31, 8175536), (62, 4087768), (124, 2043884), (248, 1021942), (496, 510971), (523, 484592), (977, 259408), (1046, 242296), (1954, 129704), (2092, 121148), (3908, 64852), (4184, 60574), (7816, 32426), (8368, 30287), (15632, 16213)]