661920516

素因数分解:

$2^2\times 3^2\times {\mathrm{61}}^1\times {\mathrm{383}}^1\times {\mathrm{787}}^1$

素因数の和:1241

約数の個数: 72

約数和(自身を含む): 1707224064

約数和(自身を除く): 1045303548

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 61, 122, 183, 244, 366, 383, 549, 732, 766, 787, 1098, 1149, 1532, 1574, 2196, 2298, 2361, 3148, 3447, 4596, 4722, 6894, 7083, 9444, 13788, 14166, 23363, 28332, 46726, 48007, 70089, 93452, 96014, 140178, 144021, 192028, 210267, 280356, 288042, 301421, 420534, 432063, 576084, 602842, 841068, 864126, 904263, 1205684, 1728252, 1808526, 2712789, 3617052, 5425578, 10851156, 18386681, 36773362, 55160043, 73546724, 110320086, 165480129, 220640172, 330960258, 661920516]

約数ペア:

[(1, 661920516), (2, 330960258), (3, 220640172), (4, 165480129), (6, 110320086), (9, 73546724), (12, 55160043), (18, 36773362), (36, 18386681), (61, 10851156), (122, 5425578), (183, 3617052), (244, 2712789), (366, 1808526), (383, 1728252), (549, 1205684), (732, 904263), (766, 864126), (787, 841068), (1098, 602842), (1149, 576084), (1532, 432063), (1574, 420534), (2196, 301421), (2298, 288042), (2361, 280356), (3148, 210267), (3447, 192028), (4596, 144021), (4722, 140178), (6894, 96014), (7083, 93452), (9444, 70089), (13788, 48007), (14166, 46726), (23363, 28332)]