187888969828

素因数分解:

$2^2\times 7^2\times {\mathrm{317}}^1\times {\mathrm{643}}^1\times {\mathrm{4703}}^1$

素因数の和:5681

約数の個数: 72

約数和(自身を含む): 384373285632

約数和(自身を除く): 196484315804

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 317, 634, 643, 1268, 1286, 2219, 2572, 4438, 4501, 4703, 8876, 9002, 9406, 15533, 18004, 18812, 31066, 31507, 32921, 62132, 63014, 65842, 126028, 131684, 203831, 230447, 407662, 460894, 815324, 921788, 1426817, 1490851, 2853634, 2981702, 3024029, 5707268, 5963404, 6048058, 9987719, 10435957, 12096116, 19975438, 20871914, 21168203, 39950876, 41743828, 42336406, 73051699, 84672812, 146103398, 148177421, 292206796, 296354842, 592709684, 958617193, 1917234386, 3834468772, 6710320351, 13420640702, 26841281404, 46972242457, 93944484914, 187888969828]

約数ペア:

[(1, 187888969828), (2, 93944484914), (4, 46972242457), (7, 26841281404), (14, 13420640702), (28, 6710320351), (49, 3834468772), (98, 1917234386), (196, 958617193), (317, 592709684), (634, 296354842), (643, 292206796), (1268, 148177421), (1286, 146103398), (2219, 84672812), (2572, 73051699), (4438, 42336406), (4501, 41743828), (4703, 39950876), (8876, 21168203), (9002, 20871914), (9406, 19975438), (15533, 12096116), (18004, 10435957), (18812, 9987719), (31066, 6048058), (31507, 5963404), (32921, 5707268), (62132, 3024029), (63014, 2981702), (65842, 2853634), (126028, 1490851), (131684, 1426817), (203831, 921788), (230447, 815324), (407662, 460894)]