1261872872

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{653}}^1\times {\mathrm{1093}}^1$

素因数の和:1782

約数の個数: 64

約数和(自身を含む): 2704499280

約数和(自身を除く): 1442626408

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 104, 136, 221, 442, 653, 884, 1093, 1306, 1768, 2186, 2612, 4372, 5224, 8489, 8744, 11101, 14209, 16978, 18581, 22202, 28418, 33956, 37162, 44404, 56836, 67912, 74324, 88808, 113672, 144313, 148648, 241553, 288626, 483106, 577252, 713729, 966212, 1154504, 1427458, 1932424, 2854916, 5709832, 9278477, 12133393, 18556954, 24266786, 37113908, 48533572, 74227816, 97067144, 157734109, 315468218, 630936436, 1261872872]

約数ペア:

[(1, 1261872872), (2, 630936436), (4, 315468218), (8, 157734109), (13, 97067144), (17, 74227816), (26, 48533572), (34, 37113908), (52, 24266786), (68, 18556954), (104, 12133393), (136, 9278477), (221, 5709832), (442, 2854916), (653, 1932424), (884, 1427458), (1093, 1154504), (1306, 966212), (1768, 713729), (2186, 577252), (2612, 483106), (4372, 288626), (5224, 241553), (8489, 148648), (8744, 144313), (11101, 113672), (14209, 88808), (16978, 74324), (18581, 67912), (22202, 56836), (28418, 44404), (33956, 37162)]