1388794792

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{72727}}^1$

素因数の和:72782

約数の個数: 64

約数和(自身を含む): 3351306240

約数和(自身を除く): 1962511448

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 31, 44, 56, 62, 77, 88, 124, 154, 217, 248, 308, 341, 434, 616, 682, 868, 1364, 1736, 2387, 2728, 4774, 9548, 19096, 72727, 145454, 290908, 509089, 581816, 799997, 1018178, 1599994, 2036356, 2254537, 3199988, 4072712, 4509074, 5599979, 6399976, 9018148, 11199958, 15781759, 18036296, 22399916, 24799907, 31563518, 44799832, 49599814, 63127036, 99199628, 126254072, 173599349, 198399256, 347198698, 694397396, 1388794792]

約数ペア:

[(1, 1388794792), (2, 694397396), (4, 347198698), (7, 198399256), (8, 173599349), (11, 126254072), (14, 99199628), (22, 63127036), (28, 49599814), (31, 44799832), (44, 31563518), (56, 24799907), (62, 22399916), (77, 18036296), (88, 15781759), (124, 11199958), (154, 9018148), (217, 6399976), (248, 5599979), (308, 4509074), (341, 4072712), (434, 3199988), (616, 2254537), (682, 2036356), (868, 1599994), (1364, 1018178), (1736, 799997), (2387, 581816), (2728, 509089), (4774, 290908), (9548, 145454), (19096, 72727)]