155888894

素因数分解:

$2^1\times 7^2\times {\mathrm{23}}^2\times {\mathrm{31}}^1\times {\mathrm{97}}^1$

素因数の和:190

約数の個数: 72

約数和(自身を含む): 296549568

約数和(自身を除く): 140660674

約数列:

[1, 2, 7, 14, 23, 31, 46, 49, 62, 97, 98, 161, 194, 217, 322, 434, 529, 679, 713, 1058, 1127, 1358, 1426, 1519, 2231, 2254, 3007, 3038, 3703, 4462, 4753, 4991, 6014, 7406, 9506, 9982, 15617, 16399, 21049, 25921, 31234, 32798, 34937, 42098, 51313, 51842, 69161, 69874, 102626, 109319, 114793, 138322, 147343, 218638, 229586, 294686, 359191, 484127, 718382, 803551, 968254, 1590703, 1607102, 2514337, 3181406, 3388889, 5028674, 6777778, 11134921, 22269842, 77944447, 155888894]

約数ペア:

[(1, 155888894), (2, 77944447), (7, 22269842), (14, 11134921), (23, 6777778), (31, 5028674), (46, 3388889), (49, 3181406), (62, 2514337), (97, 1607102), (98, 1590703), (161, 968254), (194, 803551), (217, 718382), (322, 484127), (434, 359191), (529, 294686), (679, 229586), (713, 218638), (1058, 147343), (1127, 138322), (1358, 114793), (1426, 109319), (1519, 102626), (2231, 69874), (2254, 69161), (3007, 51842), (3038, 51313), (3703, 42098), (4462, 34937), (4753, 32798), (4991, 31234), (6014, 25921), (7406, 21049), (9506, 16399), (9982, 15617)]