28605654

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{20639}}^1$

素因数の和:20665

約数の個数: 48

約数和(自身を含む): 77276160

約数和(自身を除く): 48670506

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 33, 42, 63, 66, 77, 99, 126, 154, 198, 231, 462, 693, 1386, 20639, 41278, 61917, 123834, 144473, 185751, 227029, 288946, 371502, 433419, 454058, 681087, 866838, 1300257, 1362174, 1589203, 2043261, 2600514, 3178406, 4086522, 4767609, 9535218, 14302827, 28605654]

約数ペア:

[(1, 28605654), (2, 14302827), (3, 9535218), (6, 4767609), (7, 4086522), (9, 3178406), (11, 2600514), (14, 2043261), (18, 1589203), (21, 1362174), (22, 1300257), (33, 866838), (42, 681087), (63, 454058), (66, 433419), (77, 371502), (99, 288946), (126, 227029), (154, 185751), (198, 144473), (231, 123834), (462, 61917), (693, 41278), (1386, 20639)]