628904068

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^2\times {\mathrm{211}}^1$

素因数の和:345

約数の個数: 72

約数和(自身を含む): 1258526976

約数和(自身を除く): 629622908

約数列:

[1, 2, 4, 13, 26, 31, 43, 52, 62, 86, 124, 172, 211, 403, 422, 559, 806, 844, 1118, 1333, 1612, 1849, 2236, 2666, 2743, 3698, 5332, 5486, 6541, 7396, 9073, 10972, 13082, 17329, 18146, 24037, 26164, 34658, 36292, 48074, 57319, 69316, 85033, 96148, 114638, 117949, 170066, 229276, 235898, 281263, 340132, 390139, 471796, 562526, 745147, 780278, 1125052, 1490294, 1560556, 2980588, 3656419, 5071807, 7312838, 10143614, 12094309, 14625676, 20287228, 24188618, 48377236, 157226017, 314452034, 628904068]

約数ペア:

[(1, 628904068), (2, 314452034), (4, 157226017), (13, 48377236), (26, 24188618), (31, 20287228), (43, 14625676), (52, 12094309), (62, 10143614), (86, 7312838), (124, 5071807), (172, 3656419), (211, 2980588), (403, 1560556), (422, 1490294), (559, 1125052), (806, 780278), (844, 745147), (1118, 562526), (1333, 471796), (1612, 390139), (1849, 340132), (2236, 281263), (2666, 235898), (2743, 229276), (3698, 170066), (5332, 117949), (5486, 114638), (6541, 96148), (7396, 85033), (9073, 69316), (10972, 57319), (13082, 48074), (17329, 36292), (18146, 34658), (24037, 26164)]