164735488

素因数分解:

$2^9\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{107}}^1$

素因数の和:253

約数の個数: 80

約数和(自身を含む): 346477824

約数和(自身を除く): 181742336

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 97, 107, 124, 128, 194, 214, 248, 256, 388, 428, 496, 512, 776, 856, 992, 1552, 1712, 1984, 3007, 3104, 3317, 3424, 3968, 6014, 6208, 6634, 6848, 7936, 10379, 12028, 12416, 13268, 13696, 15872, 20758, 24056, 24832, 26536, 27392, 41516, 48112, 49664, 53072, 54784, 83032, 96224, 106144, 166064, 192448, 212288, 321749, 332128, 384896, 424576, 643498, 664256, 769792, 849152, 1286996, 1328512, 1539584, 1698304, 2573992, 2657024, 5147984, 5314048, 10295968, 20591936, 41183872, 82367744, 164735488]

約数ペア:

[(1, 164735488), (2, 82367744), (4, 41183872), (8, 20591936), (16, 10295968), (31, 5314048), (32, 5147984), (62, 2657024), (64, 2573992), (97, 1698304), (107, 1539584), (124, 1328512), (128, 1286996), (194, 849152), (214, 769792), (248, 664256), (256, 643498), (388, 424576), (428, 384896), (496, 332128), (512, 321749), (776, 212288), (856, 192448), (992, 166064), (1552, 106144), (1712, 96224), (1984, 83032), (3007, 54784), (3104, 53072), (3317, 49664), (3424, 48112), (3968, 41516), (6014, 27392), (6208, 26536), (6634, 24832), (6848, 24056), (7936, 20758), (10379, 15872), (12028, 13696), (12416, 13268)]