217916748

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{179}}^1\times {\mathrm{4831}}^1$

素因数の和:5027

約数の個数: 72

約数和(自身を含む): 633185280

約数和(自身を除く): 415268532

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 179, 252, 358, 537, 716, 1074, 1253, 1611, 2148, 2506, 3222, 3759, 4831, 5012, 6444, 7518, 9662, 11277, 14493, 15036, 19324, 22554, 28986, 33817, 43479, 45108, 57972, 67634, 86958, 101451, 135268, 173916, 202902, 304353, 405804, 608706, 864749, 1217412, 1729498, 2594247, 3458996, 5188494, 6053243, 7782741, 10376988, 12106486, 15565482, 18159729, 24212972, 31130964, 36319458, 54479187, 72638916, 108958374, 217916748]

約数ペア:

[(1, 217916748), (2, 108958374), (3, 72638916), (4, 54479187), (6, 36319458), (7, 31130964), (9, 24212972), (12, 18159729), (14, 15565482), (18, 12106486), (21, 10376988), (28, 7782741), (36, 6053243), (42, 5188494), (63, 3458996), (84, 2594247), (126, 1729498), (179, 1217412), (252, 864749), (358, 608706), (537, 405804), (716, 304353), (1074, 202902), (1253, 173916), (1611, 135268), (2148, 101451), (2506, 86958), (3222, 67634), (3759, 57972), (4831, 45108), (5012, 43479), (6444, 33817), (7518, 28986), (9662, 22554), (11277, 19324), (14493, 15036)]