161085184

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{499}}^1$

素因数の和:625

約数の個数: 72

約数和(自身を含む): 350546000

約数和(自身を除く): 189460816

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 97, 104, 128, 194, 208, 256, 388, 416, 499, 776, 832, 998, 1261, 1552, 1664, 1996, 2522, 3104, 3328, 3992, 5044, 6208, 6487, 7984, 10088, 12416, 12974, 15968, 20176, 24832, 25948, 31936, 40352, 48403, 51896, 63872, 80704, 96806, 103792, 127744, 161408, 193612, 207584, 322816, 387224, 415168, 629239, 774448, 830336, 1258478, 1548896, 1660672, 2516956, 3097792, 5033912, 6195584, 10067824, 12391168, 20135648, 40271296, 80542592, 161085184]

約数ペア:

[(1, 161085184), (2, 80542592), (4, 40271296), (8, 20135648), (13, 12391168), (16, 10067824), (26, 6195584), (32, 5033912), (52, 3097792), (64, 2516956), (97, 1660672), (104, 1548896), (128, 1258478), (194, 830336), (208, 774448), (256, 629239), (388, 415168), (416, 387224), (499, 322816), (776, 207584), (832, 193612), (998, 161408), (1261, 127744), (1552, 103792), (1664, 96806), (1996, 80704), (2522, 63872), (3104, 51896), (3328, 48403), (3992, 40352), (5044, 31936), (6208, 25948), (6487, 24832), (7984, 20176), (10088, 15968), (12416, 12974)]