51490194

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{557}}^1$

素因数の和:671

約数の個数: 64

約数和(自身を含む): 123420672

約数和(自身を除く): 71930478

約数列:

[1, 2, 3, 6, 7, 14, 21, 31, 42, 62, 71, 93, 142, 186, 213, 217, 426, 434, 497, 557, 651, 994, 1114, 1302, 1491, 1671, 2201, 2982, 3342, 3899, 4402, 6603, 7798, 11697, 13206, 15407, 17267, 23394, 30814, 34534, 39547, 46221, 51801, 79094, 92442, 103602, 118641, 120869, 237282, 241738, 276829, 362607, 553658, 725214, 830487, 1225957, 1660974, 2451914, 3677871, 7355742, 8581699, 17163398, 25745097, 51490194]

約数ペア:

[(1, 51490194), (2, 25745097), (3, 17163398), (6, 8581699), (7, 7355742), (14, 3677871), (21, 2451914), (31, 1660974), (42, 1225957), (62, 830487), (71, 725214), (93, 553658), (142, 362607), (186, 276829), (213, 241738), (217, 237282), (426, 120869), (434, 118641), (497, 103602), (557, 92442), (651, 79094), (994, 51801), (1114, 46221), (1302, 39547), (1491, 34534), (1671, 30814), (2201, 23394), (2982, 17267), (3342, 15407), (3899, 13206), (4402, 11697), (6603, 7798)]