261006536

素因数分解:

$2^3\times 7^3\times {\mathrm{73}}^1\times {\mathrm{1303}}^1$

素因数の和:1403

約数の個数: 64

約数和(自身を含む): 578976000

約数和(自身を除く): 317969464

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 73, 98, 146, 196, 292, 343, 392, 511, 584, 686, 1022, 1303, 1372, 2044, 2606, 2744, 3577, 4088, 5212, 7154, 9121, 10424, 14308, 18242, 25039, 28616, 36484, 50078, 63847, 72968, 95119, 100156, 127694, 190238, 200312, 255388, 380476, 446929, 510776, 665833, 760952, 893858, 1331666, 1787716, 2663332, 3575432, 4660831, 5326664, 9321662, 18643324, 32625817, 37286648, 65251634, 130503268, 261006536]

約数ペア:

[(1, 261006536), (2, 130503268), (4, 65251634), (7, 37286648), (8, 32625817), (14, 18643324), (28, 9321662), (49, 5326664), (56, 4660831), (73, 3575432), (98, 2663332), (146, 1787716), (196, 1331666), (292, 893858), (343, 760952), (392, 665833), (511, 510776), (584, 446929), (686, 380476), (1022, 255388), (1303, 200312), (1372, 190238), (2044, 127694), (2606, 100156), (2744, 95119), (3577, 72968), (4088, 63847), (5212, 50078), (7154, 36484), (9121, 28616), (10424, 25039), (14308, 18242)]