9998388

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1$

素因数の和:257

約数の個数: 72

約数和(自身を含む): 26743080

約数和(自身を除く): 16744692

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 61, 87, 116, 122, 157, 174, 183, 244, 261, 314, 348, 366, 471, 522, 549, 628, 732, 942, 1044, 1098, 1413, 1769, 1884, 2196, 2826, 3538, 4553, 5307, 5652, 7076, 9106, 9577, 10614, 13659, 15921, 18212, 19154, 21228, 27318, 28731, 31842, 38308, 40977, 54636, 57462, 63684, 81954, 86193, 114924, 163908, 172386, 277733, 344772, 555466, 833199, 1110932, 1666398, 2499597, 3332796, 4999194, 9998388]

約数ペア:

[(1, 9998388), (2, 4999194), (3, 3332796), (4, 2499597), (6, 1666398), (9, 1110932), (12, 833199), (18, 555466), (29, 344772), (36, 277733), (58, 172386), (61, 163908), (87, 114924), (116, 86193), (122, 81954), (157, 63684), (174, 57462), (183, 54636), (244, 40977), (261, 38308), (314, 31842), (348, 28731), (366, 27318), (471, 21228), (522, 19154), (549, 18212), (628, 15921), (732, 13659), (942, 10614), (1044, 9577), (1098, 9106), (1413, 7076), (1769, 5652), (1884, 5307), (2196, 4553), (2826, 3538)]