28750554

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{37}}^1\times {\mathrm{881}}^1$

素因数の和:940

約数の個数: 72

約数和(自身を含む): 74506068

約数和(自身を除く): 45755514

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 37, 42, 49, 63, 74, 98, 111, 126, 147, 222, 259, 294, 333, 441, 518, 666, 777, 881, 882, 1554, 1762, 1813, 2331, 2643, 3626, 4662, 5286, 5439, 6167, 7929, 10878, 12334, 15858, 16317, 18501, 32597, 32634, 37002, 43169, 55503, 65194, 86338, 97791, 111006, 129507, 195582, 228179, 259014, 293373, 388521, 456358, 586746, 684537, 777042, 1369074, 1597253, 2053611, 3194506, 4107222, 4791759, 9583518, 14375277, 28750554]

約数ペア:

[(1, 28750554), (2, 14375277), (3, 9583518), (6, 4791759), (7, 4107222), (9, 3194506), (14, 2053611), (18, 1597253), (21, 1369074), (37, 777042), (42, 684537), (49, 586746), (63, 456358), (74, 388521), (98, 293373), (111, 259014), (126, 228179), (147, 195582), (222, 129507), (259, 111006), (294, 97791), (333, 86338), (441, 65194), (518, 55503), (666, 43169), (777, 37002), (881, 32634), (882, 32597), (1554, 18501), (1762, 16317), (1813, 15858), (2331, 12334), (2643, 10878), (3626, 7929), (4662, 6167), (5286, 5439)]