1290778528

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{163307}}^1$

素因数の和:163349

約数の個数: 48

約数和(自身を含む): 2880753120

約数和(自身を除く): 1589974592

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 76, 104, 152, 208, 247, 304, 416, 494, 608, 988, 1976, 3952, 7904, 163307, 326614, 653228, 1306456, 2122991, 2612912, 3102833, 4245982, 5225824, 6205666, 8491964, 12411332, 16983928, 24822664, 33967856, 40336829, 49645328, 67935712, 80673658, 99290656, 161347316, 322694632, 645389264, 1290778528]

約数ペア:

[(1, 1290778528), (2, 645389264), (4, 322694632), (8, 161347316), (13, 99290656), (16, 80673658), (19, 67935712), (26, 49645328), (32, 40336829), (38, 33967856), (52, 24822664), (76, 16983928), (104, 12411332), (152, 8491964), (208, 6205666), (247, 5225824), (304, 4245982), (416, 3102833), (494, 2612912), (608, 2122991), (988, 1306456), (1976, 653228), (3952, 326614), (7904, 163307)]