205425503488

素因数分解:

$2^8\times {\mathrm{53}}^1\times {\mathrm{173}}^1\times {\mathrm{87517}}^1$

素因数の和:87759

約数の個数: 72

約数和(自身を含む): 420205074408

約数和(自身を除く): 214779570920

約数列:

[1, 2, 4, 8, 16, 32, 53, 64, 106, 128, 173, 212, 256, 346, 424, 692, 848, 1384, 1696, 2768, 3392, 5536, 6784, 9169, 11072, 13568, 18338, 22144, 36676, 44288, 73352, 87517, 146704, 175034, 293408, 350068, 586816, 700136, 1173632, 1400272, 2347264, 2800544, 4638401, 5601088, 9276802, 11202176, 15140441, 18553604, 22404352, 30280882, 37107208, 60561764, 74214416, 121123528, 148428832, 242247056, 296857664, 484494112, 593715328, 802443373, 968988224, 1187430656, 1604886746, 1937976448, 3209773492, 3875952896, 6419546984, 12839093968, 25678187936, 51356375872, 102712751744, 205425503488]

約数ペア:

[(1, 205425503488), (2, 102712751744), (4, 51356375872), (8, 25678187936), (16, 12839093968), (32, 6419546984), (53, 3875952896), (64, 3209773492), (106, 1937976448), (128, 1604886746), (173, 1187430656), (212, 968988224), (256, 802443373), (346, 593715328), (424, 484494112), (692, 296857664), (848, 242247056), (1384, 148428832), (1696, 121123528), (2768, 74214416), (3392, 60561764), (5536, 37107208), (6784, 30280882), (9169, 22404352), (11072, 18553604), (13568, 15140441), (18338, 11202176), (22144, 9276802), (36676, 5601088), (44288, 4638401), (73352, 2800544), (87517, 2347264), (146704, 1400272), (175034, 1173632), (293408, 700136), (350068, 586816)]