1999996838392

素因数分解:

$2^3\times 7^2\times {\mathrm{229}}^1\times {\mathrm{1217}}^1\times {\mathrm{18307}}^1$

素因数の和:19773

約数の個数: 96

約数和(自身を含む): 4385126667600

約数和(自身を除く): 2385129829208

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 229, 392, 458, 916, 1217, 1603, 1832, 2434, 3206, 4868, 6412, 8519, 9736, 11221, 12824, 17038, 18307, 22442, 34076, 36614, 44884, 59633, 68152, 73228, 89768, 119266, 128149, 146456, 238532, 256298, 278693, 477064, 512596, 557386, 897043, 1025192, 1114772, 1794086, 1950851, 2229544, 3588172, 3901702, 4192303, 7176344, 7803404, 8384606, 13655957, 15606808, 16769212, 22279619, 27311914, 29346121, 33538424, 44559238, 54623828, 58692242, 89118476, 109247656, 117384484, 155957333, 178236952, 205422847, 234768968, 311914666, 410845694, 623829332, 821691388, 1091701331, 1247658664, 1643382776, 2183402662, 4366805324, 5102032751, 8733610648, 10204065502, 20408131004, 35714229257, 40816262008, 71428458514, 142856917028, 249999604799, 285713834056, 499999209598, 999998419196, 1999996838392]

約数ペア:

[(1, 1999996838392), (2, 999998419196), (4, 499999209598), (7, 285713834056), (8, 249999604799), (14, 142856917028), (28, 71428458514), (49, 40816262008), (56, 35714229257), (98, 20408131004), (196, 10204065502), (229, 8733610648), (392, 5102032751), (458, 4366805324), (916, 2183402662), (1217, 1643382776), (1603, 1247658664), (1832, 1091701331), (2434, 821691388), (3206, 623829332), (4868, 410845694), (6412, 311914666), (8519, 234768968), (9736, 205422847), (11221, 178236952), (12824, 155957333), (17038, 117384484), (18307, 109247656), (22442, 89118476), (34076, 58692242), (36614, 54623828), (44884, 44559238), (59633, 33538424), (68152, 29346121), (73228, 27311914), (89768, 22279619), (119266, 16769212), (128149, 15606808), (146456, 13655957), (238532, 8384606), (256298, 7803404), (278693, 7176344), (477064, 4192303), (512596, 3901702), (557386, 3588172), (897043, 2229544), (1025192, 1950851), (1114772, 1794086)]