281707072

素因数分解:

$2^6\times {\mathrm{19}}^2\times {\mathrm{89}}^1\times {\mathrm{137}}^1$

素因数の和:276

約数の個数: 84

約数和(自身を含む): 600966540

約数和(自身を除く): 319259468

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 89, 137, 152, 178, 274, 304, 356, 361, 548, 608, 712, 722, 1096, 1216, 1424, 1444, 1691, 2192, 2603, 2848, 2888, 3382, 4384, 5206, 5696, 5776, 6764, 8768, 10412, 11552, 12193, 13528, 20824, 23104, 24386, 27056, 32129, 41648, 48772, 49457, 54112, 64258, 83296, 97544, 98914, 108224, 128516, 166592, 195088, 197828, 231667, 257032, 390176, 395656, 463334, 514064, 780352, 791312, 926668, 1028128, 1582624, 1853336, 2056256, 3165248, 3706672, 4401673, 7413344, 8803346, 14826688, 17606692, 35213384, 70426768, 140853536, 281707072]

約数ペア:

[(1, 281707072), (2, 140853536), (4, 70426768), (8, 35213384), (16, 17606692), (19, 14826688), (32, 8803346), (38, 7413344), (64, 4401673), (76, 3706672), (89, 3165248), (137, 2056256), (152, 1853336), (178, 1582624), (274, 1028128), (304, 926668), (356, 791312), (361, 780352), (548, 514064), (608, 463334), (712, 395656), (722, 390176), (1096, 257032), (1216, 231667), (1424, 197828), (1444, 195088), (1691, 166592), (2192, 128516), (2603, 108224), (2848, 98914), (2888, 97544), (3382, 83296), (4384, 64258), (5206, 54112), (5696, 49457), (5776, 48772), (6764, 41648), (8768, 32129), (10412, 27056), (11552, 24386), (12193, 23104), (13528, 20824)]