16640178

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{173}}^1$

素因数の和:259

約数の個数: 64

約数和(自身を含む): 37884672

約数和(自身を除く): 21244494

約数列:

[1, 2, 3, 6, 17, 23, 34, 41, 46, 51, 69, 82, 102, 123, 138, 173, 246, 346, 391, 519, 697, 782, 943, 1038, 1173, 1394, 1886, 2091, 2346, 2829, 2941, 3979, 4182, 5658, 5882, 7093, 7958, 8823, 11937, 14186, 16031, 17646, 21279, 23874, 32062, 42558, 48093, 67643, 96186, 120581, 135286, 163139, 202929, 241162, 326278, 361743, 405858, 489417, 723486, 978834, 2773363, 5546726, 8320089, 16640178]

約数ペア:

[(1, 16640178), (2, 8320089), (3, 5546726), (6, 2773363), (17, 978834), (23, 723486), (34, 489417), (41, 405858), (46, 361743), (51, 326278), (69, 241162), (82, 202929), (102, 163139), (123, 135286), (138, 120581), (173, 96186), (246, 67643), (346, 48093), (391, 42558), (519, 32062), (697, 23874), (782, 21279), (943, 17646), (1038, 16031), (1173, 14186), (1394, 11937), (1886, 8823), (2091, 7958), (2346, 7093), (2829, 5882), (2941, 5658), (3979, 4182)]