1997899398

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{2953}}^1$

素因数の和:3059

約数の個数: 128

約数和(自身を含む): 5206602240

約数和(自身を除く): 3208702842

約数列:

[1, 2, 3, 6, 9, 11, 17, 18, 22, 27, 33, 34, 51, 54, 66, 67, 99, 102, 134, 153, 187, 198, 201, 297, 306, 374, 402, 459, 561, 594, 603, 737, 918, 1122, 1139, 1206, 1474, 1683, 1809, 2211, 2278, 2953, 3366, 3417, 3618, 4422, 5049, 5906, 6633, 6834, 8859, 10098, 10251, 12529, 13266, 17718, 19899, 20502, 25058, 26577, 30753, 32483, 37587, 39798, 50201, 53154, 61506, 64966, 75174, 79731, 97449, 100402, 112761, 150603, 159462, 194898, 197851, 225522, 292347, 301206, 338283, 395702, 451809, 552211, 584694, 593553, 676566, 877041, 903618, 1104422, 1187106, 1355427, 1656633, 1754082, 1780659, 2176361, 2710854, 3313266, 3363467, 3561318, 4352722, 4969899, 5341977, 6529083, 6726934, 9939798, 10090401, 10683954, 13058166, 14909697, 19587249, 20180802, 29819394, 30271203, 36998137, 39174498, 58761747, 60542406, 73996274, 90813609, 110994411, 117523494, 181627218, 221988822, 332983233, 665966466, 998949699, 1997899398]

約数ペア:

[(1, 1997899398), (2, 998949699), (3, 665966466), (6, 332983233), (9, 221988822), (11, 181627218), (17, 117523494), (18, 110994411), (22, 90813609), (27, 73996274), (33, 60542406), (34, 58761747), (51, 39174498), (54, 36998137), (66, 30271203), (67, 29819394), (99, 20180802), (102, 19587249), (134, 14909697), (153, 13058166), (187, 10683954), (198, 10090401), (201, 9939798), (297, 6726934), (306, 6529083), (374, 5341977), (402, 4969899), (459, 4352722), (561, 3561318), (594, 3363467), (603, 3313266), (737, 2710854), (918, 2176361), (1122, 1780659), (1139, 1754082), (1206, 1656633), (1474, 1355427), (1683, 1187106), (1809, 1104422), (2211, 903618), (2278, 877041), (2953, 676566), (3366, 593553), (3417, 584694), (3618, 552211), (4422, 451809), (5049, 395702), (5906, 338283), (6633, 301206), (6834, 292347), (8859, 225522), (10098, 197851), (10251, 194898), (12529, 159462), (13266, 150603), (17718, 112761), (19899, 100402), (20502, 97449), (25058, 79731), (26577, 75174), (30753, 64966), (32483, 61506), (37587, 53154), (39798, 50201)]