247940172

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{2719}}^1$

素因数の和:2895

約数の個数: 72

約数和(自身を含む): 668304000

約数和(自身を除く): 420363828

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 102, 149, 153, 204, 298, 306, 447, 596, 612, 894, 1341, 1788, 2533, 2682, 2719, 5066, 5364, 5438, 7599, 8157, 10132, 10876, 15198, 16314, 22797, 24471, 30396, 32628, 45594, 46223, 48942, 91188, 92446, 97884, 138669, 184892, 277338, 405131, 416007, 554676, 810262, 832014, 1215393, 1620524, 1664028, 2430786, 3646179, 4861572, 6887227, 7292358, 13774454, 14584716, 20661681, 27548908, 41323362, 61985043, 82646724, 123970086, 247940172]

約数ペア:

[(1, 247940172), (2, 123970086), (3, 82646724), (4, 61985043), (6, 41323362), (9, 27548908), (12, 20661681), (17, 14584716), (18, 13774454), (34, 7292358), (36, 6887227), (51, 4861572), (68, 3646179), (102, 2430786), (149, 1664028), (153, 1620524), (204, 1215393), (298, 832014), (306, 810262), (447, 554676), (596, 416007), (612, 405131), (894, 277338), (1341, 184892), (1788, 138669), (2533, 97884), (2682, 92446), (2719, 91188), (5066, 48942), (5364, 46223), (5438, 45594), (7599, 32628), (8157, 30396), (10132, 24471), (10876, 22797), (15198, 16314)]