688157067

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1\times {\mathrm{167}}^1$

素因数の和:352

約数の個数: 64

約数和(自身を含む): 1074769920

約数和(自身を除く): 386612853

約数列:

[1, 3, 13, 19, 39, 57, 67, 83, 167, 201, 247, 249, 501, 741, 871, 1079, 1273, 1577, 2171, 2613, 3173, 3237, 3819, 4731, 5561, 6513, 9519, 11189, 13861, 16549, 16683, 20501, 33567, 41249, 41583, 49647, 61503, 72293, 105659, 123747, 145457, 180193, 212591, 216879, 263359, 316977, 436371, 540579, 637773, 790077, 928687, 1373567, 2763683, 2786061, 3423667, 4120701, 8291049, 10271001, 12072931, 17645053, 36218793, 52935159, 229385689, 688157067]

約数ペア:

[(1, 688157067), (3, 229385689), (13, 52935159), (19, 36218793), (39, 17645053), (57, 12072931), (67, 10271001), (83, 8291049), (167, 4120701), (201, 3423667), (247, 2786061), (249, 2763683), (501, 1373567), (741, 928687), (871, 790077), (1079, 637773), (1273, 540579), (1577, 436371), (2171, 316977), (2613, 263359), (3173, 216879), (3237, 212591), (3819, 180193), (4731, 145457), (5561, 123747), (6513, 105659), (9519, 72293), (11189, 61503), (13861, 49647), (16549, 41583), (16683, 41249), (20501, 33567)]