639470844

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{12589}}^1$

素因数の和:12699

約数の個数: 72

約数和(自身を含む): 1732283280

約数和(自身を除く): 1092812436

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 83, 102, 153, 166, 204, 249, 306, 332, 498, 612, 747, 996, 1411, 1494, 2822, 2988, 4233, 5644, 8466, 12589, 12699, 16932, 25178, 25398, 37767, 50356, 50796, 75534, 113301, 151068, 214013, 226602, 428026, 453204, 642039, 856052, 1044887, 1284078, 1926117, 2089774, 2568156, 3134661, 3852234, 4179548, 6269322, 7704468, 9403983, 12538644, 17763079, 18807966, 35526158, 37615932, 53289237, 71052316, 106578474, 159867711, 213156948, 319735422, 639470844]

約数ペア:

[(1, 639470844), (2, 319735422), (3, 213156948), (4, 159867711), (6, 106578474), (9, 71052316), (12, 53289237), (17, 37615932), (18, 35526158), (34, 18807966), (36, 17763079), (51, 12538644), (68, 9403983), (83, 7704468), (102, 6269322), (153, 4179548), (166, 3852234), (204, 3134661), (249, 2568156), (306, 2089774), (332, 1926117), (498, 1284078), (612, 1044887), (747, 856052), (996, 642039), (1411, 453204), (1494, 428026), (2822, 226602), (2988, 214013), (4233, 151068), (5644, 113301), (8466, 75534), (12589, 50796), (12699, 50356), (16932, 37767), (25178, 25398)]