1640256572

素因数分解:

$2^2\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{281}}^1\times {\mathrm{509}}^1$

素因数の和:902

約数の個数: 48

約数和(自身を含む): 2996058240

約数和(自身を除く): 1355801668

約数列:

[1, 2, 4, 47, 61, 94, 122, 188, 244, 281, 509, 562, 1018, 1124, 2036, 2867, 5734, 11468, 13207, 17141, 23923, 26414, 31049, 34282, 47846, 52828, 62098, 68564, 95692, 124196, 143029, 286058, 572116, 805627, 1459303, 1611254, 2918606, 3222508, 5837212, 6722363, 8724769, 13444726, 17449538, 26889452, 34899076, 410064143, 820128286, 1640256572]

約数ペア:

[(1, 1640256572), (2, 820128286), (4, 410064143), (47, 34899076), (61, 26889452), (94, 17449538), (122, 13444726), (188, 8724769), (244, 6722363), (281, 5837212), (509, 3222508), (562, 2918606), (1018, 1611254), (1124, 1459303), (2036, 805627), (2867, 572116), (5734, 286058), (11468, 143029), (13207, 124196), (17141, 95692), (23923, 68564), (26414, 62098), (31049, 52828), (34282, 47846)]