12780516

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{233}}^1\times {\mathrm{653}}^1$

素因数の和:900

約数の個数: 48

約数和(自身を含む): 34280064

約数和(自身を除く): 21499548

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 233, 466, 653, 699, 932, 1306, 1398, 1631, 1959, 2612, 2796, 3262, 3918, 4571, 4893, 6524, 7836, 9142, 9786, 13713, 18284, 19572, 27426, 54852, 152149, 304298, 456447, 608596, 912894, 1065043, 1825788, 2130086, 3195129, 4260172, 6390258, 12780516]

約数ペア:

[(1, 12780516), (2, 6390258), (3, 4260172), (4, 3195129), (6, 2130086), (7, 1825788), (12, 1065043), (14, 912894), (21, 608596), (28, 456447), (42, 304298), (84, 152149), (233, 54852), (466, 27426), (653, 19572), (699, 18284), (932, 13713), (1306, 9786), (1398, 9142), (1631, 7836), (1959, 6524), (2612, 4893), (2796, 4571), (3262, 3918)]