638637516

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^2\times {\mathrm{271}}^1\times {\mathrm{541}}^1$

素因数の和:844

約数の個数: 108

約数和(自身を含む): 1784272672

約数和(自身を除く): 1145635156

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 121, 132, 198, 242, 271, 363, 396, 484, 541, 542, 726, 813, 1082, 1084, 1089, 1452, 1623, 1626, 2164, 2178, 2439, 2981, 3246, 3252, 4356, 4869, 4878, 5951, 5962, 6492, 8943, 9738, 9756, 11902, 11924, 17853, 17886, 19476, 23804, 26829, 32791, 35706, 35772, 53559, 53658, 65461, 65582, 71412, 98373, 107118, 107316, 130922, 131164, 146611, 196383, 196746, 214236, 261844, 293222, 295119, 392766, 393492, 439833, 586444, 589149, 590238, 785532, 879666, 1178298, 1180476, 1319499, 1612721, 1759332, 2356596, 2638998, 3225442, 4838163, 5277996, 6450884, 9676326, 14514489, 17739931, 19352652, 29028978, 35479862, 53219793, 58057956, 70959724, 106439586, 159659379, 212879172, 319318758, 638637516]

約数ペア:

[(1, 638637516), (2, 319318758), (3, 212879172), (4, 159659379), (6, 106439586), (9, 70959724), (11, 58057956), (12, 53219793), (18, 35479862), (22, 29028978), (33, 19352652), (36, 17739931), (44, 14514489), (66, 9676326), (99, 6450884), (121, 5277996), (132, 4838163), (198, 3225442), (242, 2638998), (271, 2356596), (363, 1759332), (396, 1612721), (484, 1319499), (541, 1180476), (542, 1178298), (726, 879666), (813, 785532), (1082, 590238), (1084, 589149), (1089, 586444), (1452, 439833), (1623, 393492), (1626, 392766), (2164, 295119), (2178, 293222), (2439, 261844), (2981, 214236), (3246, 196746), (3252, 196383), (4356, 146611), (4869, 131164), (4878, 130922), (5951, 107316), (5962, 107118), (6492, 98373), (8943, 71412), (9738, 65582), (9756, 65461), (11902, 53658), (11924, 53559), (17853, 35772), (17886, 35706), (19476, 32791), (23804, 26829)]